Mercurial > hg > CbC > CbC_gcc
diff gcc/fortran/ChangeLog-2018 @ 145:1830386684a0
gcc-9.2.0
| author | anatofuz |
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| date | Thu, 13 Feb 2020 11:34:05 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/fortran/ChangeLog-2018 Thu Feb 13 11:34:05 2020 +0900 @@ -0,0 +1,5656 @@ +2018-12-31 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/82995 + * trans-expr.c (gfc_conv_procedure_call): Pass NULL pointer + for missing optional dummy arguments for library routines. + * trans-intinsic.c (conv_mask_condition): New function. + (gfc_conv_intrinsic_arith): Detect and handle optional mask. + (gfc_conv_intrinsic_minmaxloc): Likewise. + (gfc_conv_intrinsic_findloc): Likewise. + (gfc_conv_intrinsic_minmaxval): Likewise. + (gfc_inline_intrinsic_function_p): Do not inline for rank > 1 if + an optional mask is present. + +2018-12-29 Steven G. Kargl <kargl@gcc.gnu.org> + + * expr.c (external_spec_function): Add ieee_support_subnormal to list + of IEEE inquiry functions. + +2018-12-29 Steven G. Kargl <kargl@gcc.gnu.org> + + * cpp.c (gfc_cpp_init): Add pre-defined macros for INTEGER(1) + INTEGER(2), INTEGER(8) and INTEGER(16) if supported. Add pre-defined + macros for REAL(10) and REAL(16) if available. + * gfortran.texi: Document new macros. + +2018-12-27 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/81027 + * expr.c (gfc_check_init_expr): Distinguish assumed-shape versus + deferred-shape dummy arguments in an error message. + +2018-12-26 Harald Anlauf <anlauf@gmx.de> + + PR fortran/85407 + * module.c (read_module): Convert assert to fatal error to give a + sensible error message. + +2018-12-24 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/45513 + PR fortran/81509 + * check.c: Rename function gfc_check_iand to gfc_check_iand_ieor_ior. + * check.c (boz_args_check): New function. Check I and J not both BOZ. + (gfc_check_dshift,gfc_check_iand_ieor_ior, gfc_check_ishft, + gfc_check_and, gfc_check_merge_bits): Use it. + * check.c (gfc_check_iand_ieor_ior): Force conversion of BOZ to kind + type of other agrument. Remove silly GNU extension. + (gfc_check_ieor, gfc_check_ior): Delete now unused functions. + * intrinsic.c (add_functions): Use gfc_check_iand_ieor_ior. Wrap long + line. + * intrinsic.h: Rename gfc_check_iand to gfc_check_iand_ieor_ior. + Delete prototype for bool gfc_check_ieor and gfc_check_ior + * intrinsic.texi: Update documentation for boz-literal-constant. + +2018-12-23 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/77703 + * resolve.c (get_temp_from_expr): Use the string length of + constant character expressions. + +2018-12-22 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/88328 + * io.c (resolve_tag_format): Add error for zero-sized array. + (gfc_resolve_dt): Manipulate gfc_current_locus to get sensible error + message locus. + +2018-12-22 Steven G . Kargl <kargl@gcc.gnu.org> + + PR fortran/85798 + * decl.c (gfc_match_data): If a component of a derived type entity + appears in data statement, check that does not have the allocatable + attribute. + +2018-12-22 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/88169 + * module.c (mio_namelist): Remove an error condition/message that + is contrary to the Fortran standard. + +2018-12-22 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/85544 + * frontend-passes.c (optimize_power): Remove. + (optimize_op): Remove call to optimize_power. + * trans-expr.c (gfc_conv_power_op): Handle cases of 1**integer, + (2|4|8|16) ** integer and (-1) ** integer. + +2018-12-21 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/87881 + * expr.c (find_inquiry_ref): Loop through the inquiry refs in + case there are two of them. + (simplify_ref_chain): Return true after a successful call to + find_inquiry_ref. + +2018-12-19 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/87992 + * resolve.c (resolve_fl_variable): Avoid a NULL pointer. + +2018-12-16 Steven G. Kargl <kargl@gcc.gnu.org> + + * resolve.c (resolve_transfer): Remove dead code. + +2018-12-16 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/88116 + PR fortran/88467 + * array.c (gfc_match_array_constructor): Check return value of + gfc_convert_type(). Skip constructor elements with BT_UNKNOWN, + which need to go through resolution. + * intrinsic.c (gfc_convert_type_warn): Return early if the types + match (i.e., no conversion is required). + * simplify.c (gfc_convert_constant): Remove a gfc_internal_error, + and return gfc_bad_expr. + +2018-12-16 Steven G. Kargl <kargl@gcc.gnu.org> + + * decl.c (variable_decl): Typo fixes in comment and error messsage. + +2018-12-16 Thomas Koenig <tkoenig@gcc.gnu.org> + + PF fortran/88364 + * trans-expr.c (gfc_conv_expr_reference): Do not add clobber if + the expression contains a reference. + +2018-12-15 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/87944 + * decl.c (match_data_constant): Allow inquiry parameter as data + constant in data statement. + +2018-12-15 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/88138 + * decl.c (variable_decl): Check that a derived isn't being assigned + an incompatible entity in an initialization. + +2018-12-12 Jakub Jelinek <jakub@redhat.com> + + PR fortran/88463 + * trans-openmp.c (gfc_omp_predetermined_sharing): Handle TREE_READONLY + VAR_DECLs with DECL_EXTERNAL like those with TREE_STATIC. + +2018-12-11 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/88155 + * primary.c (gfc_match_structure_constructor): Set the locus of + an expression to avoid a NULL pointer dereference. + +2018-12-11 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/88249 + * gfortran.h: Update prototype for gfc_resolve_filepos(). + * io.c (gfc_resolve_filepos): Check for UNIT number if ERR= is present. + Use passed in locus for error message. + * resolve.c (gfc_resolve_code): Pass locus in gfc_resolve_filepos() + call. + +2018-12-10 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/97922 + * io.c (gfc_match_open): Additional checks on ASYNCHRONOUS. + +2018-12-10 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/88269 + * io.c (io_constraint): Update macro. If locus line buffer is NULL, + use gfc_current_locus in error messages. + (check_io_constraints): Catch missing IO UNIT in write and read + statements. io_constraint macro is incompatible here. + +2018-12-09 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/88205 + * io.c (gfc_match_open): Move NEWUNIT checks to after STATUS checks. + +2018-12-09 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/88206 + * match.c (gfc_match_type_spec): REAL can be an intrinsic function. + +2018-12-09 Fritz Reese <fritzoreese@gmail.com> + + PR fortran/88228 + * resolve.c (resolve_operator): Do not call resolve_function. + Break like other cases. + +2018-12-09 Cesar Philippidis <cesar@codesourcery.com> + + * trans-openmp.c (gfc_trans_oacc_combined_directive): Set the + location of combined acc loops. + +2018-12-09 Thomas Schwinge <thomas@codesourcery.com> + + * openmp.c (resolve_oacc_loop_blocks): Remove checking of OpenACC + loop clauses. + + PR fortran/88420 + * openmp.c (resolve_oacc_loop_blocks): Remove "Clause SEQ + conflicts with INDEPENDENT" diagnostic. + +2018-12-08 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/88048 + * resolve.c (check_data_variable): Named constant cannot be a + data object. + +2018-12-08 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/87945 + * decl.c (var_element): Inquiry parameters cannit be data objects. + +2018-12-08 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/88025 + * expr.c (gfc_apply_init): Remove asserts that cannot trigger. + Check for a NULL pointer. + +2018-12-08 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/88357 + * class.c (insert_component_ref): Check for NULL pointer and + previous error message issued. + * parse.c (parse_associate): Check for NULL pointer. + * resolve.c (resolve_assoc_var): Check for NULL pointer. + +2018-12-07 Jakub Jelinek <jakub@redhat.com> + + PR fortran/88377 + * trans-openmp.c (gfc_omp_clause_default_ctor, + gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, + gfc_omp_clause_linear_ctor, gfc_omp_clause_dtor): Only consider + GFC_DECL_GET_SCALAR_ALLOCATABLE vars as scalar allocatables if they + have pointer type. + +2018-12-03 Fritz Reese <fritzoreese@gmail.com> + Mark Eggleston <mark.eggleston@codethink.co.uk> + + PR fortran/87919 + * options.c (SET_FLAG, SET_BITFLAG, SET_BITFLAG2): New macros. + (set_dec_flags): Set/unset DEC and std flags according to value. + (post_dec_flags, set_init_local_zero): New functions. + (gfc_init_options): Use set_init_local_zero and post_dec_flags. + (gfc_handle_options) <case OPT_fcheck_array_temporaries>: Use + SET_BITFLAG. + <case OPT_finit_local_zero>: Use set_init_local_zero. + <case OPT_fdec>: Pass value to set_dec_flags. + <case OPT_fdec_structure>: Remove. + +2018-11-30 Thomas Schwinge <thomas@codesourcery.com> + + * gfortran.h (struct gfc_omp_clauses): Remove "wait". Adjust all + users. + + * openmp.c (gfc_match_omp_clauses): Support multiple OpenACC wait + clauses. + +2018-11-27 Martin Liska <mliska@suse.cz> + + * decl.c (gfc_match_gcc_builtin): New function. + * gfortran.h (struct vect_builtin_tuple): New. + (gfc_adjust_builtins): Likewise. + * lang-specs.h (TARGET_F951_OPTIONS): New. + (F951_OPTIONS): Use it. + * lang.opt: Add new option -fpre-include. + * match.h (gfc_match_gcc_builtin): Declare new function. + * parse.c (decode_gcc_attribute): Handle builtin. + (parse_progunit): Call gfc_adjust_builtins. + * scanner.c (gfc_new_file): Load pre-included header file + when provided. + * trans-intrinsic.c (add_simd_flag_for_built_in): New. + (gfc_adjust_builtins): Likewise. + +2018-11-24 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/88143 + * resolve.c (resolve_variable): Check for associate names with + NULL target. + +2018-11-23 Jakub Jelinek <jakub@redhat.com> + + * lang.opt (fpad-source): New option. + * scanner.c (load_line): Don't pad fixed form lines if + !flag_pad_source. + * invoke.texi (-fno-pad-source): Document. + +2018-11-21 Jakub Jelinek <jakub@redhat.com> + + * invoke.texi (-fdec-include): Document. + +2018-11-21 Jakub Jelinek <jakub@redhat.com> + Mark Eggleston <mark.eggleston@codethink.com> + + * lang.opt (fdec-include): New option. + * options.c (set_dec_flags): Set also flag_dec_include. + * scanner.c (include_line): Change return type from bool to int. + In fixed form allow spaces in between include keyword letters. + For -fdec-include, allow in fixed form 0 in column 6. With + -fdec-include return -1 if the parsed line is not full include + statement and it could be successfully completed on continuation + lines. + (include_stmt): New function. + (load_file): Adjust include_line caller. If it returns -1, keep + trying include_stmt until it stops returning -1 whenever adding + further line of input. + +2018-11-18 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/88073 + * frontend-passes.c (combine_array_constructor): Do not do + anything if in a WHERE statement. + +2018-11-18 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/70260 + * expr.c (gfc_check_assign): Reject assigning to an external + symbol. + (gfc_check_pointer_assign): Add suppress_type_test + argument. Insert line after if. A non-proc pointer can not point + to a constant. Only check types if suppress_type_test is false. + * gfortran.h (gfc_check_pointer_assign): Add optional + suppress_type_test argument. + * resolve.c (gfc_resolve_code): Move up gfc_check_pointer_assign + and give it the extra argument. + (resolve_fl_procedure): Set error on value for a function with + an inizializer. + +2018-11-15 David Malcolm <dmalcolm@redhat.com> + + PR other/19165 + * error.c (gfc_diagnostic_finalizer): Add diagnostic_t param. + +2018-11-13 David Malcolm <dmalcolm@redhat.com> + + * cpp.c: Replace "source_location" with "location_t". + * gfortran.h: Likewise. + +2018-11-08 Jakub Jelinek <jakub@redhat.com> + + * trans-openmp.c (gfc_trans_omp_clauses): Use + OMP_CLAUSE_DEFAULTMAP_SET_KIND. + (gfc_trans_omp_atomic): Set OMP_ATOMIC_MEMORY_ORDER + rather than OMP_ATOMIC_SEQ_CST. + (gfc_trans_omp_taskgroup): Build OMP_TASKGROUP using + make_node instead of build1_loc. + * types.def (BT_FN_VOID_BOOL, BT_FN_VOID_SIZE_SIZE_PTR, + BT_FN_UINT_UINT_PTR_PTR, BT_FN_UINT_OMPFN_PTR_UINT_UINT, + BT_FN_BOOL_UINT_LONGPTR_LONG_LONG_LONGPTR_LONGPTR_PTR_PTR, + BT_FN_BOOL_UINT_ULLPTR_LONG_ULL_ULLPTR_ULLPTR_PTR_PTR, + BT_FN_BOOL_LONG_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR_PTR_PTR, + BT_FN_BOOL_BOOL_ULL_ULL_ULL_LONG_ULL_ULLPTR_ULLPTR_PTR_PTR): New. + (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): Formatting fix. + +2018-11-02 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/46020 + * decl.c (verify_bind_c_sym): Remove unnecessary space + in error message. + +2018-11-01 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/87782 + * frontend-passes.c (constant_string_length): If there is a + substring with a length which cannot be reduced to a constant, + return NULL. + +2018-11-01 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/40196 + * dependency.c (are_identical_variables): Return false if the + inquiry refs are not the same. + (gfc_ref_needs_temporary_p): Break on an inquiry ref. + * dump_parse_tree.c (show_ref): Show the inquiry ref type. + * expr.c (gfc_free_ref_list): Break on an inquiry ref. + (gfc_copy_ref): Copy the inquiry ref types. + (find_inquiry_ref): New function. + (simplify_const_ref, simplify_ref_chain): Call it. Add new arg + to simplify_ref_chain. + (gfc_simplify_expr): Use the new arg in call to + simplify_ref_chain. + (gfc_get_full_arrayspec_from_expr, gfc_is_coarray): Break on + inquiry ref. + (gfc_traverse_expr): Return true for inquiry ref. + * frontend-passes.c (gfc_expr_walker): Break on inquiry ref. + * gfortran.h : Add enums and union member in gfc_ref to + implement inquiry refs. + * intrinsic.c : Fix white nois. + * match.c (gfc_match_assignment): A constant lavlue is an + error. + * module.c : Add DECL_MIO_NAME for inquiry_type and the mstring + for inquiry_types. + (mio_ref): Handle inquiry refs. + * primary.c (is_inquiry_ref): New function. + (gfc_match_varspec): Handle inquiry refs calling new function. + (gfc_variable_attr): Detect inquiry ref for disambiguation + with components. + (caf_variable_attr): Treat inquiry and substring refs in the + same way. + * resolve.c (find_array_spec): ditto. + (gfc_resolve_substring_charlen): If there is neither a charlen + ref not an inquiry ref, return. + (resolve_ref): Handle inqiry refs as appropriate. + (resolve_allocate_expr): Entities with an inquiry ref cannot be + allocated. + * simplify.c (simplify_bound, simplify_cobound): Punt on + inquiry refs. + * trans-array.c (get_array_ctor_var_strlen): Break on inquiry + ref. + *trans-expr.c (conv_inquiry): New function. + (gfc_conv_variable): Retain the last typespec to pass to + conv_inquiry on detecting an inquiry ref. + +2018-11-01 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/46020 + * decl.c (verify_bind_c_sym): Improve error message. + +2018-11-01 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/54613 + * gfortran.texi (File format of unformatted sequential files): + Replace random comma with period. + * intrinsic.texi (Intrinsic Procedures): Add FINDLOC to menu. + (FINDLOC): Document. + (MAXLOC): Add refrence to FINDLOC. + (MINLOC): Likewise. + +2018-10-31 Nathan Sidwell <nathan@acm.org> + + * cpp.c (gfc_cpp_init): Adjust cpp_force_token_locations call. + +2018-10-31 Martin Liska <mliska@suse.cz> + + * trans-decl.c (struct module_hasher): Call htab_hash_string + for s->name and not for s. + +2018-10-30 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/85896 + * simplify.c (simplify_min_max): Do not convert the type of the + return expression. + +2017-10-28 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/54613 + * gfortran.h (gfc_isym_id): Add GFC_ISYM_FINDLOC. + (gfc_check_f): Add f6fl field. + (gfc_simplify_f): Add f6 field. + (gfc_resolve_f): Likewise. + (gfc_type_letter): Add optional logical_equas_int flag. + * check.c (intrinsic_type_check): New function. + (gfc_check_findloc): New function. + * intrinsics.c (gfc_type_letter): If logical_equals_int is + set, act accordingly. + (add_sym_5ml): Reformat comment. + (add_sym_6fl): New function. + (add_functions): Add findloc. + (check_arglist): Add sixth argument, handle it. + (resolve_intrinsic): Likewise. + (check_specific): Handle findloc. + * intrinsic.h (gfc_check_findloc): Add prototype. + (gfc_simplify_findloc): Likewise. + (gfc_resolve_findloc): Likewise. + (MAX_INTRINSIC_ARGS): Adjust. + * iresolve.c (gfc_resolve_findloc): New function. + * simplify.c (gfc_simplify_minmaxloc): Make static. + (simplify_findloc_to_scalar): New function. + (simplify_findloc_nodim): New function. + (simplify_findloc_to_array): New function. + (gfc_simplify_findloc): New function. + (gfc_conv_intrinsic_findloc): New function. + (gfc_conv_intrinsic_function): Handle GFC_ISYM_FINDLOC. + (gfc_is_intrinsic_libcall): Likewise. + +2018-10-27 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/86907 + * frontend-passes.c (check_locus_code): Add information that + warning about missing location information points to an + inconsisten internal state. + (check_locus_expr): Likewise. + +2018-10-25 Jakub Jelinek <jakub@redhat.com> + + PR fortran/87725 + * openmp.c (gfc_match_omp_clauses): Parse simd, monotonic and + nonmonotonic modifiers regardless of if they have been parsed + already or if the opposite one has. Fix up check whether + comma after modifier should be parsed. + (resolve_omp_clauses): Diagnose schedule modifier restrictions. + +2018-10-23 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/85603 + * frontend-passes.c (get_len_call): New function to generate a + call to intrinsic LEN. + (create_var): Use this to make length expressions for variable + rhs string lengths. + Clean up some white space issues. + +2018-10-21 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/71880 + * trans-expr.c (gfc_trans_pointer_assignment): Set the string + length for array valued deferred length lhs. + +2018-10-18 Tobias Burnus <burnus@net-b.de> + + PR fortran/87625 + * trans-array.c (gfc_is_reallocatable_lhs): Detect allocatable + polymorphic arrays. + +2018-10-18 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/58618 + * trans-stmt.c (trans_associate_var): All strings that return + as pointer types can be assigned directly to the associate + name so remove 'attr' and the condition that uses it. + +2018-10-18 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/58618 + * trans-decl.c (gfc_get_symbol_decl): Deal correctly with the + initialization with NULL() of a deferred length pointer. + +2018-10-17 Tobias Burnus <burnus@net-b.de> + + PR fortran/87632 + * resolve.c (resolve_select_type): Use correct variable. + +2018-10-17 David Malcolm <dmalcolm@redhat.com> + + * Make-lang.in (selftest-fortran): New. + +2018-10-17 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/56386 + PR fortran/58906 + PR fortran/77385 + PR fortran/80260 + PR fortran/82077 + * resolve.c (resolve_variable): Fix up expressions with array + associate names, where the parser did not detect that this is + array and there was no array part_ref in the expression. + +2018-10-16 Tobias Burnus <burnus@net-b.de> + + PR fortran/67125 + * trans-array.c (gfc_array_init_size, gfc_array_allocate): + Rename argument e3_is_array_constr to e3_has_nodescriptor + and update comments. + * trans-stmt.c (gfc_trans_allocate): Also fix lower bound + to 1 for nonalloc/nonpointer func results/vars besides + array constructors. + +2018-10-16 Tobias Burnus <burnus@net-b.de> + + PR fortran/87556 + * trans-stmt.c (form_team, change_team, sync_team): + Don't ignore argse.pre/argse.post. + +2018-10-15 Paul Thomas <pault@gcc.gnu.org> + Tobias Burnus <burnus@gcc.gnu.org> + + PR fortran/87566 + * resolve.c (resolve_assoc_var): Add missing array spec for + class associate names. + (resolve_select_type): Handle case where last typed component + of the selector has a different type to the expression. + * trans-expr.c (gfc_find_and_cut_at_last_class_ref): Replace + call to gfc_expr_to_initialize with call to gfc_copy_expr. + (gfc_conv_class_to_class): Guard assignment to 'len' field + against case where zero constant is supplied. + +2018-10-12 Tobias Burnus <burnus@net-b.de> + + PR fortran/87597 + * expr.c (gfc_simplify_expr): Avoid simplifying + the 'array' argument to lbound/ubound/lcobound/ + ucobound. + +2018-10-12 Tobias Burnus <burnus@net-b.de> + + PR fortran/58787 + * decl.c (get_proc_name): Return with error before + creating sym_tree. + +2018-10-11 Tobias Burnus <burnus@net-b.de> + + Revert: + 2018-10-09 Tobias Burnus <burnus@net-b.de> + + PR fortran/83522 + * resolve.c (resolve_ref): Reject nonscalar + substring references. + +2018-10-09 David Malcolm <dmalcolm@redhat.com> + + * cpp.c (gfc_cpp_init_0): Update for renamings. + (cb_cpp_error): Rename to... + (cb_cpp_diagnostic): ...this, converting level and reason to + enums. + +2018-10-09 Tobias Burnus <burnus@net-b.de> + + PR fortran/83522 + * resolve.c (resolve_ref): Reject nonscalar + substring references. + +2018-10-09 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/87151 + * trans-array.c (gfc_get_array_span): Deal with deferred char + array components having a TYPE_MAX_VALUE of zero. + (gfc_array_init_size): Use the hidden string length component + to build the descriptor dtype. + (gfc_array_allocate): Remove the erroneous replacement of the + charlen backend decl with a temporary. + (gfc_conv_expr_descriptor): Use the ss_info string length in + the case of deferred character components. + (gfc_alloc_allocatable_for_assignment): Actually compare the + string lengths for deferred characters. Make sure that kind > 1 + is handled correctly. Set the span field of the descriptor. + * trans-intrinsic.c (gfc_conv_intrinsic_len): Remove the stupid + comment. + + PR fortran/80931 + * trans-array.c (gfc_array_allocate): Set the span field for + variable length character arrays. + +2018-10-08 Cesar Philippidis <cesar@codesourcery.com> + + * expr.c (gfc_check_pointer_assign): Demote "Assignment to + contiguous pointer from non-contiguous target" to a warning. + +2018-10-08 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/86372 + * trans-stmt.c (trans_associate_var): Character associate names + with variable string length do not have to be deferred length + for the string length to be set, if variable. + +2018-10-06 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/86111 + * gfortran.h (enum arith): Add ARITH_WRONGCONCAT. + * arith.h (gfc_arith_error): Issue error for ARITH_WRONGCONCAT. + (gfc_arith_concat): If the types of op1 and op2 are not + character of if their kinds do not match, issue ARITH_WRONGCONCAT. + +2018-10-06 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83999 + * resolve.c (resolve_fl_procedure): Include class functions in + the test that elemental function results be scalar. + +2018-10-06 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/84640 + * simplify.c (gfc_simplify_cshift): Extend size of hs_ex and ss_ex + by one. Set extents one past the array boundaries to zero to avoid + warning with instrumented compiler. + (gfc_simplify_eoshift): Likewise, only for ss_ex. + +2018-10-05 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/87487 + * trans-decl.c (gfc_get_symbol_decl): Make sure that deferred + character length pointer initializer has the right type to fix + problem with deferred_character_24.f90 on big endian. + +2018-10-03 Jeff Law <law@redhat.comg> + + * trans-types.c (get_typenode_from_name): Moved into gcc/tree.c. + +2018-10-01 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/65677 + * trans-expr.c (gfc_trans_assignment_1): Set the 'identical' + flag in the call to gfc_check_dependency. + +2018-09-30 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/87359 + * trans-array.c (gfc_is_reallocatable_lhs): Correct the problem + introduced by r264358, which prevented components of associate + names from being reallocated on assignment. + +2018-09-30 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/70752 + PR fortran/72709 + * trans-array.c (gfc_conv_scalarized_array_ref): If this is a + deferred type and the info->descriptor is present, use the + info->descriptor + (gfc_conv_array_ref): Is the se expr is a descriptor type, pass + it as 'decl' rather than the symbol backend_decl. + (gfc_array_allocate): If the se string_length is a component + reference, fix it and use it for the expression string length + if the latter is not a variable type. If it is a variable do + an assignment. Make use of component ref string lengths to set + the descriptor 'span'. + (gfc_conv_expr_descriptor): For pointer assignment, do not set + the span field if gfc_get_array_span returns zero. + * trans.c (get_array_span): If the upper bound a character type + is zero, use the descriptor span if available. + +2018-09-30 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/70149 + * trans-decl.c (gfc_get_symbol_decl): A deferred character + length pointer that is initialized needs the string length to + be initialized as well. + +2018-09-29 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/65677 + * trans-expr.c (gfc_trans_assignment_1): If there is dependency + fix the rse stringlength. + +2018-09-25 Martin Liska <mliska@suse.cz> + + PR fortran/87394 + * decl.c (add_hidden_procptr_result): Simplify condition + as we are in branch witch 'case1 || case2'. + +2018-09-25 Martin Liska <mliska@suse.cz> + + * trans.c (remove_suffix): Remove + unused function. + +2018-09-24 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/87397 + * gfc_conv_procedure_call: Do not add clobber on INTENT(OUT) + for variables in an associate statement. + +2018-09-24 Bernhard Reuther-Fischer <aldot@gcc.gnu.org> + Cesar Philippidis <cesar@codesourcery.com> + + * openmp.c (resolve_oacc_loop_blocks): + +2018-09-23 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/87397 + * gfc_conv_procedure_call: Do not add clobber on INTENT(OUT) + for variables having the dimension attribute. + +2018-09-23 Janne Blomqvist <jb@gcc.gnu.org> + + * trans-expr.c (gfc_caf_get_image_index): Do array index + calculations in gfc_array_index_type. + * trans-intrinsic.c (conv_intrinsic_event_query): Likewise. + * trans-stmt.c (gfc_trans_lock_unlock): Likewise. + (gfc_trans_event_post_wait): Likewise. + +2018-09-23 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/87395 + * gfc_conv_procedure_call: Reformat comments slightly. Do not add + clobber on INTENT(OUT) for saved variables. + +2018-09-22 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/41453 + * trans.h (gfc_conv_expr_reference): Add optional argument + add_clobber to prototype. + (gfc_conv_procedure_call): Set add_clobber argument to + gfc_conv_procedure_reference to true for scalar, INTENT(OUT), + non-pointer, non-allocatable, non-dummy variables whose type + is neither BT_CHARACTER, BT_DERIVED or BT_CLASS, but only if + the procedure is not elemental. + * trans-expr.c (gfc_conv_procedure_reference): Add clobber + statement before call if add_clobber is set. + +2018-09-22 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/85603 + * trans-array.c (gfc_alloc_allocatable_for_assignment): Test + the charlen backend_decl before using the VAR_P macro. + +2018-09-21 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/77325 + * trans-array.c (gfc_alloc_allocatable_for_assignment): If the + rhs has a charlen expression, convert that and use it. + * trans-expr.c (gfc_trans_assignment_1): The rse.pre for the + assignment of deferred character array vars to a realocatable + lhs should not be added to the exterior block since vector + indices, for example, generate temporaries indexed within the + loop. + +2018-09-21 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/87359 + * trans-stmt.c (gfc_trans_allocate): Don't deallocate alloc + components if must_finalize is set for expr3. + +2018-09-21 Andrew Stubbs <ams@codesourcery.com> + Kwok Cheung Yeung <kcy@codesourcery.com> + + * trans-expr.c (gfc_trans_structure_assign): Ensure that the first + argument of a call to _gfortran_caf_register is of size_type_node. + * trans-intrinsic.c (conv_intrinsic_event_query): Convert computed + index to a size_type_node type. + * trans-stmt.c (gfc_trans_event_post_wait): Likewise. + +2018-09-20 Allan Sandfeld Jensen <allan.jensen@qt.io> + + * gfortranspec.c (lang_specific_driver): Handle -r like -nostdlib. + +2018-09-20 Janus Weil <janus@gcc.gnu.org> + + * gfortran.h (gfc_str_startswith): New macro. + * decl.c (variable_decl, gfc_match_end): Use it. + * iresolve.c (is_trig_resolved): Ditto. + * module.c (load_omp_udrs, read_module): Ditto. + * options.c (gfc_handle_runtime_check_option): Ditto. + * primary.c (match_arg_list_function): Ditto. + * trans-decl.c (gfc_get_symbol_decl): Ditto. + * trans-expr.c (gfc_conv_procedure_call): Ditto. + * interface.c (dtio_op): Replace strncmp by strcmp. + * resolve.c (resolve_actual_arglist, resolve_function): Ditto. + * trans-expr.c (conv_arglist_function): Ditto. + * trans-intrinsic.c (gfc_conv_ieee_arithmetic_function): Replace macro + STARTS_WITH by gfc_str_startswith. + +2018-09-20 Cesar Philippidis <cesar@codesourcery.com> + + * dump-parse-tree.c (show_omp_clauses): Add missing omp list_types + and reorder the switch cases to match the enum in gfortran.h. + +2018-09-19 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84109 + * trans-expr.c (gfc_trans_assignment_1): The rse.pre for the + assignment of deferred character intrinsic elemental function + results to a realocatable lhs must not be added to the exterior + block if they are array valued but must go to the loop body. + +2018-09-18 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/29550 + * gfortran.h (gfc_expr): Add external_blas flag. + * frontend-passes.c (matrix_case): Add case A2TB2T. + (optimize_namespace): Handle flag_external_blas by + calling call_external_blas. + (get_array_inq_function): Add argument okind. If + it is nonzero, use it as the kind of argument + to be used. + (inline_limit_check): Remove m_case argument, add + limit argument instead. Remove assert about m_case. + Set the limit for inlining from the limit argument. + (matmul_lhs_realloc): Handle case A2TB2T. + (inline_matmul_assign): Handle inline limit for other cases with + two rank-two matrices. Remove no-op calls to inline_limit_check. + (call_external_blas): New function. + * trans-intrinsic.c (gfc_conv_intrinsic_funcall): Do not add + argument to external BLAS if external_blas is already set. + +2018-09-18 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/87239 + * trans-expr.c (gfc_trans_assignment_1): The rse.pre for the + assignment of deferred character elemental function results to + a realocatable lhs must not be added to the exterior block but + must go to the loop body. + +2018-09-18 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/87336 + * trans-array.c (gfc_get_array_span): Try to get the element + length of incomplete types. Return NULL_TREE otherwise. + (gfc_conv_expr_descriptor): Only set the 'span' field if the + above does not return NULL_TREE. Set 'span' field if possible + for all new descriptors. + +2018-09-17 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/64120 + * trans-decl.c (gfc_get_symbol_decl): Flag allocatable, scalar + characters with a variable length expression for deferred init. + (gfc_trans_deferred_vars): Perform the assignment for these + symbols by calling gfc_conv_string_length. + +2018-09-17 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/85954 + * resolve.c (resolve_assoc_var): If the target expression is a + deferred charlen dummy and the associate name shares the + charlen, generate a new one. Make sure that new charlens are in + the namespace list so that they get cleaned up. + * trans-array.c (gfc_is_reallocatable_lhs): Associate names are + not reallocatable. + * trans-decl.c (gfc_get_symbol_decl): Put deferred character + length dummy and result arrays on the deferred initialization + list so that the variable length arrays can be correctly dealt + with. + * trans-expr.c (gfc_conv_string_length): Return if 'expr' is + NULL rather than ICEing.. + +2018-09-16 Janus Weil <janus@gcc.gnu.org> + + PR fortran/86484 + PR fortran/84543 + * match.c (gfc_match_assignment): For a polymorphic assignment, + make sure that the vtab for the rhs type is generated. + +2018-09-16 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/37802 + * frontend-passes.c (B_ERROR): New macro for matmul bounds + checking error messages. + (C_ERROR): Likewise. + (inline_matmul_assign): Reorganize bounds checking, use B_ERROR + and C_ERROR macros. + +2018-09-13 Bernd Edlinger <bernd.edlinger@hotmail.de> + + * trans-array.c (gfc_conv_array_initializer): Remove excess precision + from overlength string initializers. + +2018-09-12 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/87284 + * trans-expr.c (gfc_trans_class_init_assign): Access to + to array elements of the dynamic type requires that the array + reference be added to the class expression and not the _data + component, unlike scalar expressions. + +2018-09-11 Janus Weil <janus@gcc.gnu.org> + + PR fortran/87172 + * resolve.c (resolve_fl_derived): If a type has the 'use_assoc' + attribute, then it was declared in another module, so there should be + no error that it has not been declared. + +2018-09-11 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/87277 + * expr.c (is_subref_array): Add the check of dimensionality for + class, dummy, pointer arrays. + +2018-09-11 Janus Weil <janus@gcc.gnu.org> + + PR fortran/86830 + * expr.c (gfc_is_simply_contiguous): Handle type-bound procedure calls + with non-polymorphic objects. + +2018-09-10 Janus Weil <janus@gcc.gnu.org> + + PR fortran/85395 + * decl.c (match_binding_attributes): Use correct default accessibility + for procedure pointer components. + +2018-09-03 Jerry DeLisle <jvdelisle@gcc.gnu.org> + + * simplify.c (gfc_simplify_modulo): Re-arrange code to test whether + 'P' is zero and issue an error if it is. + +2018-08-31 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/86328 + PR fortran/86760 + * trans-array.c (gfc_conv_scalarized_array_ref): Do not fix + info->descriptor but pass it directly to gfc_build_array_ref. + (gfc_conv_array_ref): Likewise for se->expr. + * trans.c (gfc_build_array_ref): If 'decl' is a COMPONENT_REF + obtain the span field directly from it. + +2017-08-28 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/80477 + * trans-expr.c (gfc_conv_procedure_call): Allocatable class + scalar results being passed to a derived type formal argument + are finalized if possible. Otherwise, rely on existing code for + deallocation. Make the deallocation of allocatable result + components conditional on finalization not taking place. Make + the freeing of data components after finalization conditional + on the data being NULL. + (gfc_trans_arrayfunc_assign): Change the gcc_assert to a + condition to return NULL_TREE. + (gfc_trans_assignment_1): If the assignment is class to class + and the rhs expression must be finalized but the assignment + is not marked as a polymorphic assignment, use the vptr copy + function instead of gfc_trans_scalar_assign. + + PR fortran/86481 + * trans-expr.c (gfc_conv_expr_reference): Do not add the post + block to the pre block if the expression is to be finalized. + * trans-stmt.c (gfc_trans_allocate): If the expr3 must be + finalized, load the post block into a finalization block and + add it right at the end of the allocation block. + +2018-08-27 David Malcolm <dmalcolm@redhat.com> + + PR 87091 + * error.c (gfc_format_decoder): Update for conversion of + show_caret_p to a tri-state. + +2018-08-25 Janus Weil <janus@gcc.gnu.org> + + PR fortran/86545 + * resolve.c (resolve_transfer): Correctly determine typespec for + generic function calls, in order to throw a proper error. + +2018-08-24 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/86837 + * frontend-passes.c (var_in_expr_callback): New function. + (var_in_expr): New function. + (traverse_io_block): Use var_in_expr instead of + gfc_check_dependency for checking if the variable depends on the + previous interators. + +2018-08-23 Janne Blomqvist <blomqvist.janne@gmail.com> + + * trans-intrinsic.c (gfc_conv_intrinsic_minmaxval): Delete + HONOR_SIGNED_ZEROS checks. + +2018-08-23 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/86863 + * resolve.c (resolve_typebound_call): If the TBP is not marked + as a subroutine, check the specific symbol. + +2018-08-22 Thomas Koenig <tkoenig@gcc.gnu.org> + + * gfortran.texi: Mention that asynchronous I/O does + not work on systems which lack condition variables, such + as AIX. + +2018-08-22 Janus Weil <janus@gcc.gnu.org> + + PR fortran/86935 + * match.c (gfc_match_associate): Improve diagnostics for the ASSOCIATE + statement. + +2018-08-22 Andrew Benson <abensonca@gmail.com> + + * module.c (load_generic_interfaces): Move call to find_symbol() + so that only occurs if actually needed. + +2018-08-22 Janus Weil <janus@gcc.gnu.org> + + PR fortran/86888 + * decl.c (gfc_match_data_decl): Allow allocatable components of + indirectly recursive type. + * resolve.c (resolve_component): Remove two errors messages ... + (resolve_fl_derived): ... and replace them by a new one. + +2018-08-21 Janne Blomqvist <jb@gcc.gnu.org> + + * trans-intrinsic.c (gfc_conv_intrinsic_minmax): Use + MAX_EXPR/MIN_EXPR unconditionally for real arguments. + * gfortran.texi (Compiler Characteristics): Document MAX/MIN + behavior wrt NaN. + +2018-08-21 Nicolas Koenig <koenigni@gcc.gnu.org> + Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/25829 + * gfortran.texi: Add description of asynchronous I/O. + * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables + as volatile. + * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to + st_wait_async and change argument spec from ".X" to ".w". + (gfc_trans_wait): Pass ID argument via reference. + +2018-08-16 Nathan Sidwell <nathan@acm.org> + + * cpp.c (dump_macro): Use cpp_user_macro_p. + +2018-08-14 Janus Weil <janus@gcc.gnu.org> + + PR fortran/86116 + * interface.c (compare_type): Remove a CLASS/TYPE check. + (compare_type_characteristics): New function that behaves like the old + 'compare_type'. + (gfc_check_dummy_characteristics, gfc_check_result_characteristics): + Call 'compare_type_characteristics' instead of 'compare_type'. + +2018-08-12 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/66679 + * trans-intrinsic.c (gfc_conv_intrinsic_transfer): Class array + elements are returned as references to the data element. Get + the class expression by stripping back the references. Use this + for the element size. + +2018-08-12 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/86906 + * resolve.c (resolve_fl_variable_derived): Check if the derived + type is use associated before checking for the host association + error. + +2018-08-10 Janus Weil <janus@gcc.gnu.org> + + PR fortran/57160 + * invoke.texi (frontend-optimize): Mention short-circuiting. + * options.c (gfc_post_options): Disable -ffrontend-optimize with -Og. + * resolve.c (resolve_operator): Warn about short-circuiting only with + -ffrontend-optimize. + * trans-expr.c (gfc_conv_expr_op): Use short-circuiting operators only + with -ffrontend-optimize. Without that flag, make sure that both + operands are evaluated. + +2018-08-08 Nathan Sidwell <nathan@acm.org> + + * cpp.c (cb_file_change): Use linemap_included_from. + +2018-08-07 Cesar Philippidis <cesar@codesourcery.com> + + * trans-stmt.h: Remove stale reference to trans-openacc.c. + +2018-08-04 Janus Weil <janus@gcc.gnu.org> + + PR fortran/45521 + * interface.c (gfc_compare_interfaces): Apply additional + distinguishability criteria of F08 to operator interfaces. + +2018-07-31 Andre Vieira <andre.simoesdiasvieira@arm.com> + + Revert 'AsyncI/O patch committed' + 2018-07-25 Nicolas Koenig <koenigni@gcc.gnu.org> + Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/25829 + * gfortran.texi: Add description of asynchronous I/O. + * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables + as volatile. + * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to + st_wait_async and change argument spec from ".X" to ".w". + (gfc_trans_wait): Pass ID argument via reference. + +2018-07-25 Nicolas Koenig <koenigni@gcc.gnu.org> + Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/25829 + * gfortran.texi: Add description of asynchronous I/O. + * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables + as volatile. + * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to + st_wait_async and change argument spec from ".X" to ".w". + (gfc_trans_wait): Pass ID argument via reference. + +2018-07-20 Martin Sebor <msebor@redhat.com> + + PR middle-end/82063 + * gfortran.h (gfc_handle_option): Change function argument + to HOST_WIDE_INT. + * options.c (gfc_handle_option): Same. + +2018-07-20 Andrew Benson <abenson@carnegiescience.edu> + + * gfortran.h (gfc_symbol): Add pointer to next derived type. + (gfc_dt_list, gfc_get_dt_list): Remove. + (gfc_namespace): Replace gfc_dt_list with gfc_symbol. + * parse.c (resolve_all_program_units): Replace gfc_free_dt_list() with + simple nullification of gfc_derived_types. + * resolve.c (resolve_global_procedure): Replace gfc_dt_list with + gfc_symbol. + (add_dt_to_dt_list): Change derived type linked list insertion to + utilize dt_next pointers in gfc_symbol. + * symbol.c (gfc_new_symbol, gfc_free_dt_list, gfc_symbol_done2) + (get_iso_c_binding_dt, generate_isocbinding_symbol): Remove + gfc_free_dt_list as gfc_dt_list is obsoleted. Change derived type + linked list search/insertion to utilize dt_next pointers in gfc_symbol. + * trans-types.c (gfc_get_derived_type): Change derived type linked + list search to utilize dt_next pointers in gfc_symbol. + +2018-07-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + + * trans-intrinsic.c: (gfc_conv_intrinsic_minmax): Emit MIN_MAX_EXPR + or IFN_FMIN/FMAX sequence to calculate the min/max when possible. + +2018-07-18 Janus Weil <janus@gcc.gnu.org> + Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/85599 + * dump-parse-tree.c (show_attr): Add handling of implicit_pure. + * frontend-passes.c (do_warn_function_elimination): Do not warn for + pure functions. + * gfortran.h: Add prototypes for gfc_pure_function and + gfc_implicit_pure_function. + * gfortran.texi: Add chapter on evaluation of logical expressions. + * invoke.texi: Mention that -Wfunction-elimination is implied + by -Wextra. + * lang.opt: Make -Wextra imply -Wfunction-elimination. + * resolve.c (pure_function): Rename to gfc_pure_function. + (gfc_implicit_pure_function): New function. + (check_pure_function): Use it here. + (impure_function_callback): New function. + (resolve_operator): Call it via gfc_expr_walker. + +2018-07-16 Fritz Reese <fritzoreese@gmail.com> + + PR fortran/83184 + * decl.c (match_old_style_init): Initialize locus of variable expr when + creating a data variable. + (match_clist_expr): Verify array is explicit shape/size before + attempting to allocate constant array constructor. + +2018-07-16 Fritz Reese <fritzoreese@gmail.com> + + PR fortran/86417 + * module.c (mio_component): Set component->loc when loading from module. + +2018-07-10 Jakub Jelinek <jakub@redhat.com> + + PR fortran/86421 + * module.c (omp_declare_simd_clauses): Add LINEAR with _REF, _VAL and + _UVAL suffixes. + (mio_omp_declare_simd): Save and restore ref, val and uval modifiers + on linear clauses. Initialize n->where to gfc_current_locus. + +2018-07-05 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/86408 + * resolve.c.c (resolve_contained_fntype): Reference to C418 is + in F2008 and not F2003. + (resolve_function): Ditto in error message. Also, exclude + deferred character length results from the error. + +2018-07-05 Fritz Reese <fritzoreese@gmail.com> + + PR fortran/83183 + PR fortran/86325 + * expr.c (class_allocatable, class_pointer, comp_allocatable, + comp_pointer): New helpers. + (component_initializer): Generate EXPR_NULL for allocatable or pointer + components. Do not generate initializers for components within BT_CLASS. + Do not assign to comp->initializer. + (gfc_generate_initializer): Use new helpers; move code to generate + EXPR_NULL for class allocatable components into component_initializer(). + +2018-07-04 Jerry DeLisle <jvdelisle@gcc.gnu.org> + + PR fortran/82009 + * trans-decl.c (gfc_process_block_locals): Delete assert and set + saved_local_decls = NULL_TREE. + +2018-07-02 Richard Biener <rguenther@suse.de> + + PR lto/86321 + * trans-types.c (gfc_get_array_type_bounds): Unshare TYPE_FIELDs + for the distinct type copy. + +2018-07-02 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/82969 + PR fortran/86242 + * trans-array.c (structure_alloc_comps): Do not explicitly copy + procedure pointer components. + +2018-07-02 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/45305 + * expr.c : Add a prototype for scalarize_intrinsic_call. + (gfc_simplify_expr): Use scalarize_intrinsic_call for elemental + intrinsic function calls. + (scalarize_intrinsic_call): Add 'init_flag' argument. Check if + the expression or any of the actual argument expressions are + NULL. Before calling gfc_check_init_expr, check 'init_flag'. + Only simplify the scalarized expressions if there are no errors + on the stack. + (gfc_check_init_expr): Set 'init_flag' true in the call to + scalarize_intrinsic_call. + +2018-06-28 Fritz Reese <fritzoreese@gmail.com> + + PR fortran/82865 + * decl.c (gfc_match_type): Refactor and check for PDT declarations. + +2018-06-28 Martin Liska <mliska@suse.cz> + + * gfortranspec.c: Include opt-suggestions.h. + +2018-06-25 Fritz Reese <fritzoreese@gmail.com> + + PR fortran/82972 + PR fortran/83088 + PR fortran/85851 + * expr.c (component_initializer): Assign init expr to c->initializer. + (generate_isocbinding_initializer): New. + (gfc_generate_initializer): Call generate_isocbinding_initializer to + generate initializers for c_ptr and c_funptr with -finit-derived. + +2018-06-23 Jerry DeLisle <jvdelisle@gcc.gnu.org> + + PR fortran/85983 + * interface.c (check_dtio_interface1): Delete assert. + +2018-06-22 Paul Thomas <pault@gcc.gnu.org> + Rainer Orth <ro@gcc.gnu.org> + + PR fortran/86281 + * resolve.c (resolve_contained_fntype): Check for the charlen + before testing the length. + +2018-06-21 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/49630 + * resolve.c (resolve_contained_fntype): Change standard ref. + from F95 to F2003: C418. Correct a spelling error in a comment. + It is an error for an abstract interface to have an assumed + character length result. + * trans-expr.c (gfc_conv_procedure_call): Likewise change the + standard reference. + +2018-06-21 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83118 + * resolve.c (resolve_ordinary_assign): Force the creation of a + vtable for assignment of non-polymorphic expressions to an + unlimited polymorphic object. + * trans-array.c (gfc_alloc_allocatable_for_assignment): Use the + size of the rhs type for such assignments. Set the dtype, _len + and vptrs appropriately. + * trans-expr.c (gfc_trans_assignment): Force the use of the + _copy function for these assignments. + +2018-06-20 Chung-Lin Tang <cltang@codesourcery.com> + Thomas Schwinge <thomas@codesourcery.com> + Cesar Philippidis <cesar@codesourcery.com> + + * gfortran.h (gfc_omp_clauses): Add unsigned if_present, finalize + bitfields. + * openmp.c (enum omp_mask2): Remove OMP_CLAUSE_PRESENT_OR_*. Add + OMP_CLAUSE_{IF_PRESENT,FINALIZE}. + (gfc_match_omp_clauses): Update handling of copy, copyin, copyout, + create, deviceptr, present_of_*. Add support for finalize and + if_present. + (OACC_PARALLEL_CLAUSES): Remove PRESENT_OR_* clauses. + (OACC_KERNELS_CLAUSES): Likewise. + (OACC_DATA_CLAUSES): Likewise. + (OACC_DECLARE_CLAUSES): Likewise. + (OACC_UPDATE_CLAUSES): Add IF_PRESENT clause. + (OACC_ENTER_DATA_CLAUSES): Remove PRESENT_OR_* clauses. + (OACC_EXIT_DATA_CLAUSES): Add FINALIZE clause. + (gfc_match_oacc_declare): Update to OpenACC 2.5 semantics. + * trans-openmp.c (gfc_trans_omp_clauses): Add support for IF_PRESENT + and FINALIZE. + +2018-06-18 Eric Botcazou <ebotcazou@adacore.com> + + * trans-decl.c (gfc_get_fake_result_decl): Revert latest change. + +2018-06-17 Eric Botcazou <ebotcazou@adacore.com> + + * trans-decl.c (nonlocal_dummy_decl_pset): Delete. + (nonlocal_dummy_decls): Likewise. + (gfc_nonlocal_dummy_array_decl): Likewise. + (gfc_get_symbol_decl): Do not call gfc_nonlocal_dummy_array_decl. + (gfc_get_fake_result_decl): Do not generate a new DECL if simply + reusing the result of a recursive call. + (gfc_generate_function_code): Do not create, insert and destroy + nonlocal_dummy_decls. + +2018-06-13 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/86110 + * array.c (gfc_resolve_character_array_constructor): Avoid NULL + pointer dereference. + +2018-06-13 Cesar Philippidis <cesar@codesourcery.com> + + PR fortran/85703 + * parse.c (decode_oacc_directive): Set gfc_matching_function + to false. + (decode_omp_directive): Likewise. + +2018-06-13 Cesar Philippidis <cesar@codesourcery.com> + + PR fortran/85702 + * openmp.c (gfc_match_oacc_wait): Use %C to report error location. + +2018-06-12 David Malcolm <dmalcolm@redhat.com> + + PR other/69968 + * misc.c (gfc_closest_fuzzy_match): Update for renaming of + levenshtein_distance to get_edit_distance. + +2018-06-12 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/44491 + * expr.c (gfc_check_assign): Select non-NULL locus. + +2018-06-11 Janus Weil <janus@gcc.gnu.org> + + PR fortran/45521 + * interface.c (compare_ptr_alloc): New function. + (generic_correspondence): Call it. + +2018-06-10 Thomas Koenig <tkoenig@gcc.gnu.org> + + * gfortran.h (gfc_expr): Add no_bounds_check field. + * frontend-passes.c (get_array_inq_function): Set no_bounds_check + on function and function argument. + (inline_matmul_assign): Set no_bounds_check on zero expression + and on lhs of zero expression. + Also handle A1B2 case if realloc on assigment is active. + * trans-array.c (gfc_conv_array_ref): Don't do range checking + if expr has no_bounds_check set. + (gfc_conv_expr_descriptor): Set no_bounds_check on ss if expr + has it set. + * trans-expr.c (gfc_trans_assignment_1): Set no_bounds_check + on lss and lss if the corresponding expressions have it set. + +2018-06-10 Dominique d'Humieres <dominiq@gcc.gnu.org> + + PR fortran/79854 + * trans-const.c: Remove include "diagnostic-core.h". + (gfc_conv_constant_to_tree): Replace fatal_error with gcc_unreachable. + +2018-06-10 Janus Weil <janus@gcc.gnu.org> + + PR fortran/85088 + * decl.c (match_attr_spec): Synchronize the DECL_* enum values with the + INTENT_* values from the enum 'sym_intent'. Call 'match_intent_spec' + and remove a TODO note. + * gfortran.h: Add a comment to sym_intent. + +2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/38351 + * resolve.c (resolve_operator): Provide better error message for + derived type entity used in an binary intrinsic numeric operator. + +2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85138 + PR fortran/85996 + PR fortran/86051 + * decl.c (gfc_match_char_spec): Use private namespace in attempt to + reduce a charlen to a constant. + +2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/78278 + * data.c (gfc_assign_data_value): Re-arrange code to allow for + an error for double initialization of CHARACTER entities. + +2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/63514 + * symbol.c (gfc_add_volatile): Enforce F2008:C1282 and F2018:C1588. + +2018-06-08 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/85631 + * trans.h (gfc_ss): Add field no_bounds_check. + * trans-array.c (gfc_conv_ss_startstride): If flag_realloc_lhs and + ss->no_bounds_check is set, do not use runtime checks. + * trans-expr.c (gfc_trans_assignment_1): Set lss->no_bounds_check + for reallocatable lhs. + +2018-06-08 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/86059 + * array.c (match_array_cons_element): NULL() cannot be in an + array constructor. + +2018-06-08 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/78571 + * data.c (create_character_initializer): Return early if type is + incompatible with CHARACTER. + +2018-06-07 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/86045 + * simplify.c (gfc_simplify_mod): Re-arrange code to test whether + 'P' is zero and issue an error if it is. + +2018-06-06 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/85641 + * frontend-passes.c (is_fe_temp): Add prototype. + (realloc_string_callback): Early return for frontend-generated + temporary. + +2018-06-05 Cesar Philippidis <cesar@codesourcery.com> + + PR fortran/85701 + + * openmp.c (gfc_resolve_oacc_declare): Error on functions and + subroutine data clause arguments. + +2018-06-04 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85981 + * resolve.c (resolve_allocate_deallocate): Check errmsg is default + character kind. + +2018-06-03 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/36497 + * decl.c (variable_decl): Use gfc_add_type for cray pointees. + +2018-06-01 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/63570 + * check.c (gfc_check_random_init): New function. Check arguments of + RANDOM_INIT. + * gfortran.h (GFC_ISYM_RANDOM_INIT): New enum token. + * intrinsic.c (add_subroutines): Add RANDOM_INIT to list of + subroutines. + (gfc_check_intrinsic_standard): Introduce Fortran 2018 check. + * intrinsic.h: Add prototypes for gfc_check_random_init and + gfc_resolve_random_init + * intrinsic.texi: Document new intrinsic subprogram. + * iresolve.c (gfc_resolve_random_init): Resolve routine name. + * trans-decl.c: Declare gfor_fndecl_random_init + * trans-intrinsic.c (conv_intrinsic_random_init): New function. + Translate call to RANDOM_INIT. + (gfc_conv_intrinsic_subroutine): Call it. + * trans.h: Declare gfor_fndecl_random_init + +2018-05-27 Steven G. Kargl <kargl@gcc.gnu.org> + + * decl.c (match_data_constant): Fortran 2018 allows pointer + initialization in a data statement. + +2018-05-25 Janus Weil <janus@gcc.gnu.org> + + PR fortran/85839 + * match.c (gfc_match_block_data): Call gfc_notify_std to warn about + an obsolescent feature in Fortran 2018. + (gfc_match_equivalence): Ditto. + * resolve.c (resolve_common_blocks): Ditto. + (gfc_resolve_forall): Ditto. + * symbol.c (gfc_define_st_label): Ditto. + +2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85543 + * resolve.c (update_current_proc_array_outer_dependency): Avoid NULL + pointer dereference. + +2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85780 + * resolve.c (resolve_fl_procedure): Avoid NULL dereference. + +2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85779 + * decl.c (gfc_match_derived_decl): Fix NULL point dereference. + +2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85895 + * resolve.c (resolve_sync): Resolve expression before checking for + an error. + +2018-05-22 Janus Weil <janus@gcc.gnu.org> + + PR fortran/85841 + * libgfortran.h: Remove the macros GFC_STD_F2008_TS and + GFC_STD_OPT_F08TS. + * error.c (notify_std_msg): Remove GFC_STD_F2008_TS. + * options.c (set_default_std_flags): Ditto. + (gfc_handle_option): Make -std=f2008ts an alias for -std=f2018. + * array.c (gfc_match_array_spec): Replace GFC_STD_F2008_TS by + GFC_STD_F2018. + * check.c (gfc_check_atomic, gfc_check_event_query, + gfc_check_c_f_pointer, gfc_check_c_f_procpointer, gfc_check_c_funloc, + gfc_check_c_loc, gfc_check_num_images, gfc_check_this_image): Ditto. + * decl.c (gfc_verify_c_interop_param, gfc_match_decl_type_spec): Ditto. + * intrinsic.c (add_functions, add_subroutines, + gfc_check_intrinsic_standard): Ditto. + * iso-c-binding.def: Ditto. + * iso-fortran-env.def: Ditto. + * match.c (gfc_match_event_post, gfc_match_event_wait, + gfc_match_fail_image, gfc_match_form_team, gfc_match_change_team, + gfc_match_end_team, gfc_match_sync_team): Ditto. + * gfortran.texi: Remove mention of -std=f2008ts. + Move TSs into F2018 section. + * invoke.texi: Update documentation of -std=f2008ts. + +2018-05-21 Janus Weil <janus@gcc.gnu.org> + + PR fortran/85841 + * libgfortran.h: New macros GFC_STD_OPT_*. + * error.c (notify_std_msg): New function. + (gfc_notify_std): Adjust such that it can handle combinations of + GFC_STD_* flags in the 'std' argument, not just a single one. + * match.c (match_arithmetic_if, gfc_match_if): Reject arithmetic if + in Fortran 2018. + (gfc_match_stopcode): Use GFC_STD_OPT_* macros. + * options.c (set_default_std_flags): Warn for F2018 deleted features + by default. + (gfc_handle_option): F2018 deleted features are allowed in earlier + standards. + * symbol.c (gfc_define_st_label, gfc_reference_st_label): Reject + nonblock do constructs in Fortran 2018. + +2018-05-20 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/80657 + * resolve.c (flag_fn_result_spec): Use the 'sym' argument to + test for self refs to the function result in the character len + expression. If a self reference is found, emit an error and + return true. + (resolve_fntype): Use the function symbol in the calls to the + above. + +2018-05-20 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/49636 + * trans-array.c (gfc_get_array_span): Renamed from + 'get_array_span'. + (gfc_conv_expr_descriptor): Change references to above. + * trans-array.h : Add prototype for 'gfc_get_array_span'. + * trans-intrinsic.c (gfc_conv_associated): Add pre and post + blocks for 'arg1'. + * trans-stmt.c (trans_associate_var): If the associate name is + a subref array pointer, use gfc_get_array_span for the span. + +2018-05-20 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/82275 + * match.c (gfc_match_type_spec): Go through the array ref and + decrement 'rank' for every dimension that is an element. + +2018-05-19 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/82923 + PR fortran/66694 + PR fortran/82617 + * trans-array.c (gfc_alloc_allocatable_for_assignment): Set the + charlen backend_decl of the rhs expr to ss->info->string_length + so that the value in the current scope is used. + +2018-05-13 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/63529 + * gfortran.texi: Clarify documentation for Cray pointer and + assumed-sized array. + +2018-05-13 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/85742 + * trans-types.c (gfc_get_dtype_rank_type): Reorder evaluation + of 'size'. If the element type is a pointer use the size of the + TREE_TYPE of the type, unless it is VOID_TYPE. In this latter + case, set the size to zero. + +2018-05-13 Steven G. Kargl <kargl@gcc.gnu.org> + + * gfortran.h: Remove prototype. + * symbol.c (gfc_new_undo_checkpoint): Remove unused function. + +2018-05-11 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85542 + * expr.c (check_inquiry): Avoid NULL pointer dereference. + +2018-05-10 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85687 + * check.c (gfc_check_rank): Check that the argument is a data object. + +2018-05-10 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85521 + * array.c (gfc_resolve_character_array_constructor): Substrings + with upper bound smaller than lower bound are zero length strings. + +2018-05-10 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/70870 + * data.c (gfc_assign_data_value): Check that a data object does + not also have default initialization. + +2018-05-10 Marek Polacek <polacek@redhat.com> + + PR fortran/85735 + * options.c (gfc_post_options): Set main_input_filename. + +2018-05-10 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/54613 + * intrinsic.texi: Document BACK for MINLOC and MAXLOC. + +2018-05-10 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/68846 + PR fortran/70864 + * resolve.c (get_temp_from_expr): The temporary must not have + dummy or intent attributes. + +2018-05-08 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/54613 + * check.c (gfc_check_minmaxloc): Remove error for BACK not being + implemented. Use gfc_logical_4_kind for BACK. + * simplify.c (min_max_choose): Add optional argument back_val. + Handle it. + (simplify_minmaxloc_to_scalar): Add argument back_val. Pass + back_val to min_max_choose. + (simplify_minmaxloc_to_nodim): Likewise. + (simplify_minmaxloc_to_array): Likewise. + (gfc_simplify_minmaxloc): Add argument back, handle it. + Pass back_val to specific simplification functions. + (gfc_simplify_minloc): Remove ATTRIBUTE_UNUSED from argument back, + pass it on to gfc_simplify_minmaxloc. + (gfc_simplify_maxloc): Likewise. + * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Adjust + comment. If BACK is true, use greater or equal (or lesser or + equal) insteal of greater (or lesser). Mark the condition of + having found a value which exceeds the limit as unlikely. + +2018-05-07 Jeff Law <law@redhat.comg> + + * scanner.c (preprocessor_line): Call linemap_add after a line + directive that changes the current filename. + +2018-05-06 Andre Vehreschild <vehre@gcc.gnu.org> + + PR fortran/85507 + * dependency.c (gfc_dep_resolver): Revert looking at coarray dimension + introduced by r259385. + * trans-intrinsic.c (conv_caf_send): Always report a dependency for + same variables in coarray assignments. + +2018-05-02 Tom de Vries <tom@codesourcery.com> + + PR libgomp/82428 + * f95-lang.c (DEF_GOACC_BUILTIN_ONLY): Define. + +2018-04-24 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85520 + * decl.c (gfc_match_char_spec): Check for negative length and set to 0. + +2018-04-14 Andre Vehreschild <vehre@gcc.gnu.org> + + PR fortran/81773 + PR fortran/83606 + * dependency.c (gfc_dep_resolver): Coarray indexes are to be ignored + during dependency computation. They define no data dependency. + * trans-array.c (conv_array_index_offset): The stride can not be set + here, prevent fail. + * trans-intrinsic.c (conv_caf_send): Add creation of temporary array + for caf_get's result and copying to the array with vectorial + indexing. + +2018-04-14 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/85387 + * frontend-passes.c (traverse_io_block): Check for start, end or + stride being defined by an outer implied DO loop. + +2018-04-12 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/83064 + PR testsuite/85346 + * trans-stmt.c (gfc_trans_forall_loop): Use annot_expr_ivdep_kind + for annotation and remove dependence on -ftree-parallelize-loops. + +2018-04-10 Jakub Jelinek <jakub@redhat.com> + + PR fortran/85313 + * openmp.c (resolve_omp_do): Remove bogus if (j < i) break;. + (resolve_oacc_nested_loops): Likewise. Formatting fix. + +2018-04-09 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/83064 + * trans-stmt.c (gfc_trans_forall_loop): Remove annotation for + parallell processing of DO CONCURRENT -ftree-parallelize-loops + is set. + +2018-04-09 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/51260 + * resolve.c (resolve_variable): Simplify cases where access to a + parameter array results in a single constant. + +2018-04-02 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/85102 + * decl.c (variable_decl): If upper or lower bounds simplify + to a constant, use that. + +2018-03-30 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84931 + * simplify.c (gfc_convert_constant): Handle case of array + constructors within an array that has no iterator and improve + the conciseness of this section of code. + +2017-03-30 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/85111 + * array.c (gfc_resolve_character_array_constructor): Early + exit for zero-size arrays. + * simplify.c (simplify_transformation_to_array): Exit early + if the result size is zero. + (simplify_minmaxloc_to_array): Likewise. + +2018-03-28 Mikael Morin <mikael@gcc.gnu.org> + + PR fortran/69497 + * symbol.c (gfc_symbol_done_2): Start freeing namespaces + from the root. + (gfc_free_namespace): Restore assert (revert r258839). + +2018-03-28 Jakub Jelinek <jakub@redhat.com> + + * gfortran.h (gfc_dt): Rename default_exp field to dec_ext. + * ioparm.def (IOPARM_dt_default_exp): Rename to ... + (IOPARM_dt_dec_ext): ... this. + * trans-io.c (build_dt): Adjust for default_exp renaming to + dec_ext and IOPARM_dt_default_exp renaming to IOPARM_dt_dec_ext. + * io.c (match_io): Likewise. + +2018-03-27 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/85084 + * frontend-passes.c (gfc_run_passes): Do not run front-end + optimizations if a previous error occurred. + +2018-03-27 Thomas Koenig <tkoenig@gcc.gnu.org> + Harald Anlauf <anlauf@gmx.de> + + PR fortran/85083 + * primary.c (gfc_convert_to_structure_constructor): Check + conformance of argument types in structure constructor. + +2018-03-26 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/66709 + * io.c: Include constructor.h. + (resolve_tag_format): For a constant character array, concatenate + into a single character expression. + +2018-03-25 Seth Johnson <johnsonsr@ornl.gov> + Dominique d'Humieres <dominiq@gcc.gnu.org> + + PR fortran/84924 + * check.c (gfc_check_c_f_pointer): Allow scalar noninteroperable + scalar derived type with -std=f2003 and -std=f2008. + +2018-03-24 Jerry DeLisle <jvdelisle@gcc.gnu.org> + Dominique d'Humieres <dominiq@gcc.gnu.org> + + PR fortran/69497 + * symbol.c (gfc_free_namespace): Delete the assert and only if + refs count is equals zero, free the namespace. Otherwise, + something is halfway and other errors will resound. + +2018-03-24 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/70068 + * expr.c (find_substring_ref): Change types of start, end + and length variables to gfc_charlen_t. Set length to zero + for empty substring. + +2018-03-24 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/42651 + * decl.c (check_function_name): Improved error message + (gfc_match_volatile, gfc_match_asynchronous) Use check_function_name. + +2018-03-22 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/84922 + * decl.c (get_proc_name): If the MODULE prefix appears in interface + body, then it must appear on the contained subroutine or function. + While here, fix nearby mis-indented code. + +2018-03-21 Thomas Koenig <tkoenig@gcc.gnu.org> + Harald Anlauf <anlauf@gmx.de> + + PR fortran/84957 + * trans-types.c (gfc_sym_type): Do not dereference NULL pointer. + +2018-03-21 Janne Blomqvist <jb@gcc.gnu.org> + + PR fortran/84615 + * trans-expr.c (gfc_conv_procedure_call): Convert charlen to + gfc_charlen_type_node when calling procedure. + +2018-03-20 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85001 + * interface.c (symbol_rank): Remove bogus null pointer check that + crept in when translating a ternary operator into an if-else + constructor. + +2018-03-19 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/84931 + * simplify.c (gfc_convert_constant): Correctly handle iterators + for type conversion. + +2018-03-18 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/77414 + * decl.c (get_proc_name): Check for a subroutine re-defined in + the contain portion of a subroutine. Change language of existing + error message to better describe the issue. While here fix whitespace + issues. + +2018-03-18 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/65453 + * decl.c (get_proc_name): Catch clash between a procedure statement + and a contained subprogram + +2018-03-16 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/69395 + * decl.c (merge_array_spec): Correct the error condition. + +2018-03-15 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/78741 + * decl.c (get_proc_name): Check for clash of entry name with + subroutine name. + +2018-03-15 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/69395 + * decl.c (merge_array_spec): Limit the merging to maximum allowed + dimensions, and issue error message if limit is exceeded. + +2018-03-13 Steven G. Kargl <kargl@gcc.gnu.org> + + * check.c (gfc_check_kill_sub): Remove check for INTEGER(4) or (8). + * intrinsic.c (add_functions): Remove reference to gfc_resolve_kill. + (add_subroutines): Remove reference to gfc_resolve_kill_sub. + * intrinsic.texi: Update documentation. + * iresolve.c (gfc_resolve_kill, gfc_resolve_kill_sub): Remove. + * trans-decl.c (gfc_build_intrinsic_function_decls): Add + gfor_fndecl_kill and gfor_fndecl_kill_sub + * trans-intrinsic.c (conv_intrinsic_kill, conv_intrinsic_kill_sub): new + functions. + (gfc_conv_intrinsic_function): Use conv_intrinsic_kill. + (gfc_conv_intrinsic_subroutine): Use conv_intrinsic_kill_sub. + * trans.h: Declare gfor_fndecl_kill and gfor_fndecl_kill_sub. + +2018-03-11 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84546 + * trans-array.c (structure_alloc_comps): Make sure that the + vptr is copied and that the unlimited polymorphic _len is used + to compute the size to be allocated. + * trans-expr.c (gfc_get_class_array_ref): If unlimited, use the + unlimited polymorphic _len for the offset to the element. + (gfc_copy_class_to_class): Set the new 'unlimited' argument. + * trans.h : Add the boolean 'unlimited' to the prototype. + +2018-03-11 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/83939 + * resolve.c (resolve_fl_procedure): Enforce F2018:C15100. + +2018-03-11 Steven G. Kargl <kargls@gcc.gnu.org> + + * check.c (gfc_check_kill): Check pid and sig are scalar. + (gfc_check_kill_sub): Restrict kind to 4 and 8. + * intrinsic.c (add_function): Sort keyword list. Add pid and sig + keywords for KILL. Remove redundant *back="back" in favor of the + original *bck="back". + (add_subroutines): Sort keyword list. Add pid and sig keywords + for KILL. + * intrinsic.texi: Fix documentation to consistently use pid and sig. + * iresolve.c (gfc_resolve_kill): Kind can only be 4 or 8. Choose the + correct function. + (gfc_resolve_rename_sub): Add comment. + +2018-03-11 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/66128 + * simplify.c (simplify_transformation): Return default result for + empty array argument. + (gfc_simplify_all): Remove special-case handling for zerosize. + (gfc_simplify_any): Likewise. + (gfc_simplify_count): Likewise. + (gfc_simplify_iall): Likewise. + (gfc_simplify_iany): Likewise. + (gfc_simplify_iparity): Likewise. + (gfc_simplify_minval): Likewise. + (gfc_simplify_maxval): Likewise. + (gfc_simplify_norm2): Likewise. + (gfc_simplify_product): Likewise. + (gfc_simplify_sum): Likewise. + +2018-03-10 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/84734 + * arith.c (check_result, eval_intrinsic): If result overflows, pass + the expression up the chain instead of a NULL pointer. + +2018-03-07 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/64124 + PR fortran/70409 + * decl.c (gfc_match_char_spec): Try to reduce a charlen to a constant. + +2017-03-06 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/84697 + PR fortran/66128 + * expr.c (simplify_parameter_variable): If p is a size zero array + and not an ARRAY_EXPR insert an empty array constructor and + return. + * gfortran.h: Add prototype for gfc_is_size_zero_array. + * simplify.c (is_size_zero_array): Make non-static and rename into + (gfc_is_size_zero_array): Check for parameter arrays of zero + size by comparing shape and absence of constructor. + (gfc_simplify_all): Use gfc_is_size_zero_array instead of + is_size_zero_array. + (gfc_simplify_count): Likewise. + (gfc_simplify_iall): Likewise. + (gfc_simplify_iany): Likewise. + (gfc_simplify_iparity): Likewise. + (gfc_simplify_minval): Likewise. + (gfc_simplify_maxval): Likewise. + (gfc_simplify_product): Likewise. + (gfc_simplify_sum): Likewise. + +2018-03-06 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/56667 + * primary.c (match_sym_complex_part): Give the matcher for an implied + do-loop a chance to run. + +2018-03-03 Harald Anlauf <anlauf@gmx.de> + + PR fortran/71085 + * trans-expr.c (gfc_apply_interface_mapping_to_expr): Do not + dereference NULL pointer. + +2018-03-03 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/66128 + * simplify.c (is_size_zero_array): New function to check for size + zero array. + (gfc_simplify_all, gfc_simplify_any, gfc_simplify_count, + gfc_simplify_iall, gfc_simplify_iany, gfc_simplify_iparity, + gfc_simplify_minval, gfc_simplify_maxval, gfc_simplify_norm2, + gfc_simplify_product, gfc_simplify_sum): Use it, and implement + requirements from F2018. + +2018-03-03 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/51434 + * simplify.c (gfc_simplify_transfer): Resolve mold. + +2018-03-03 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/80965 + * resolve.c (build_loc_call): Change symtree name from 'loc' to + '_loc'. + +2018-03-01 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84219 + * target-memory.c (gfc_interpret_derived): Assert that BT_VOID + components are caf tokens. + (gfc_target_interpret_expr): Treat BT_VOID expressions as + integers. + +2018-03-01 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84538 + * class.c (class_array_ref_detected): Remove the condition that + there be no reference after the array reference. + (find_intrinsic_vtab): Remove excess whitespace. + * trans-array.c (gfc_conv_scalarized_array_ref): Rename 'tmp' + as 'base and call build_class_array_ref earlier. + +2018-02-28 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83901 + * trans-stmt.c (trans_associate_var): Make sure that the se + expression is a pointer type before converting it to the symbol + backend_decl type. + +2018-02-25 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/83633 + * decl.c (variable_decl): Check that an explicit-shape-array with + nonconstant bounds is allowed. + +2018-02-25 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84523 + * trans-intrinsic.c (gfc_conv_allocated): If the argument se + has a pre block, add it to the expression pre block. + +2018-02-25 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/78238 + * gfortran.h (gfc_integer_4_kind): Define. + * resolve.c (resolve_select_type): Make sure that the + kind of c->high is gfc_integer_4_kind. + +2018-02-24 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/30792 + * decl.c (gfc_match_data): Check for invalid substring in + data-implied-do + +2018-02-23 Steven G. Kargl <kargl@gcc.gnu.org> + + * intrinsic.texi: Arguments to MATMUL cannot both be rank one. + +2018-02-23 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/84511 + * trans-io.c (transfer_expr): Deal with C_LOC in transfer statement. + +2018-02-23 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/84346 + * interface.c (compare_actual_formal): Issue error if keyword is + used in a statement function. + +2018-02-23 Jerry DeLisle <jvdelisle@gcc.gnu.org> + + PR fortran/84506 + * trans-io.c (set_parameter_value_inquire): Adjust range check of + negative unit values for kind=8 units to the kind=4 negative limit. + +2018-02-23 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83149 + * trans-types.c (gfc_sym_type): Test sym->ns->proc_name before + accessing its components. + +2018-02-23 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83149 + * trans-decl.c (gfc_finish_var_decl): Test sym->ns->proc_name + before accessing its components. + +2018-02-23 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83148 + * trans-const.c : Clean up some whitespace issues. + * trans-expr.c (gfc_conv_initializer): If an iso_c_binding + derived type has a kind value of zero, set it to the default + integer kind. + +2018-02-23 Janne Blomqvist <jb@gcc.gnu.org> + + PR fortran/84519 + * trans-decl.c (gfc_build_builtin_function_decls): Add bool + argument to stop and error stop decls. + * trans-stmt.c (gfc_trans_stop): Add false value to argument + lists. + +2018-02-22 Janne Blomqvist <jb@gcc.gnu.org> + + PR 78534 + PR 84509 + * trans-decl.c (gfc_build_builtin_function_decls): Pass + gfc_int8_type node to pause_numeric, size_type_node to + pause_string. + * trans-stmt.c (gfc_trans_pause): Likewise. + +2018-02-22 Janne Blomqvist <jb@gcc.gnu.org> + + * gfortran.texi: Update Coarray API description. + * trans-decl.c (gfc_build_builtin_function_decls): Use size_t for + character lengths, int for exit codes. + (generate_coarray_sym_init): Use size_t for character length. + * trans-intrinsic.c (conv_co_collective): Likewise. + * trans-stmt.c (gfc_trans_lock_unlock): Likewise. + (gfc_trans_event_post_wait): Likewise. + (gfc_trans_sync): Likewise. + (gfc_trans_stop): Use size_t for character lengths, int for exit + codes. + +2018-02-20 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/48890 + PR fortran/83823 + * primary.c (gfc_convert_to_structure_constructor): + For a constant string constructor, make sure the length + is correct. + +2018-02-19 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83344 + PR fortran/83975 + * resolve.c (resolve_assoc_var): Rearrange the logic for the + determination of the character length of associate names. If + the associate name is missing a length expression or the length + expression is not a constant and the target is not a variable, + make the associate name allocatable and deferred length. + * trans-decl.c (gfc_get_symbol_decl): Null the character length + backend_decl for deferred length associate names that are not + variables. Set 'length' to gfc_index_zero_node for character + associate names, whose character length is a PARM_DECL. + +2018-02-19 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/35339 + * frontend-passes.c (traverse_io_block): Remove workaround for + PR 80945. + +2018-02-19 Andre Vehreschild <vehre@gcc.gnu.org> + + * gfortran.texi: Document additional src/dst_type. Fix some typos. + * trans-decl.c (gfc_build_builtin_function_decls): Declare the new + argument of _caf_*_by_ref () with * e { get, send, sendget }. + * trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Add the type of the + data referenced when generating a call to caf_get_by_ref (). + (conv_caf_send): Same but for caf_send_by_ref () and + caf_sendget_by_ref (). + +2018-02-18 Jerry DeLisle <jvdelisle@gcc.gnu.org> + + PR fortran/84389 + * io.c (check_format): Allow FMT_COLON. + +2018-02-18 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/80945 + * trans-array.c (gfc_conv_expr_descriptor): Set parmtype from + the typenode in the case of deferred length characters. + +2018-02-17 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/84270 + * frontend-passes (scalarized_expr): If the expression + is an assumed size array, leave in the last reference + and pass AR_SECTION instead of AR_FULL to gfc_resolve + in order to avoid an error. + +2018-02-17 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84115 + * resolve.c (resolve_assoc_var): If a non-constant target expr. + has no string length expression, make the associate variable + into a deferred length, allocatable symbol. + * trans-decl.c (gfc_is_reallocatable_lhs): Add and use a ptr to + the symbol. + * trans-stmt.c (trans_associate_var): Null and free scalar + associate names that are allocatable. After assignment, remove + the allocatable attribute to prevent reallocation. + +2018-02-16 Jakub Jelinek <jakub@redhat.com> + + PR fortran/84418 + * trans-openmp.c (gfc_trans_omp_clauses): For OMP_CLAUSE_LINEAR_REF + kind set OMP_CLAUSE_LINEAR_STEP to TYPE_SIZE_UNIT times last_step. + +2018-02-16 Dominique d'Humieres <dominiq@gcc.gnu.org> + + PR fortran/84354 + * decl.c (gfc_get_pdt_instance): Replace '%qs' with %qs. + +2018-02-15 Janus Weil <janus@gcc.gnu.org> + + PR fortran/84409 + * interface.c (check_dtio_arg_TKR_intent): Add a check for character + length. + +2018-02-14 Janus Weil <janus@gcc.gnu.org> + + PR fortran/84385 + * match.c (gfc_match_select_type): Fix check for selector in + SELECT TYPE statement. + +2018-02-13 Janus Weil <janus@gcc.gnu.org> + + PR fortran/84313 + * symbol.c (check_conflict): Reject procedure pointers in common blocks. + +2018-02-13 Alastair McKinstry <alastair.mckinstry@sceal.ie> + Janne Blomqvist <jb@gcc.gnu.org> + + * module.c (dump_module): Use lbasename to ensure that module + files are reproducible. + +2018-02-12 Janus Weil <janus@gcc.gnu.org> + + PR fortran/84273 + * resolve.c (resolve_component): Fix checks of passed argument in + procedure-pointer components. + +2018-02-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> + + PR fortran/35299 + * resolve.c (resolve_formal_arglist): Update error message. + +2018-02-11 Andre Vehreschild <vehre@gcc.gnu.org> + + * gfortran.texi: Fix typos in documentation of caf_register (). + * trans-array.c (structure_alloc_comps): Only register a component of + a derived typed corray, not of an ultimate component coarray. + +2018-02-11 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/54223 + PR fortran/84276 + * interface.c (compare_actual_formal): Add in_statement_function + bool parameter. Skip check of INTENT attribute for statement + functions. Arguments to a statement function cannot be optional, + issue error for missing argument. + (gfc_procedure_use, gfc_ppc_use, gfc_arglist_matches_symbol): Use + in_statement_function. + +2018-02-11 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84074 + * trans-expr.c (gfc_conv_derived_to_class): Set the use_offset + flag. If the is a vector subscript or the expression is not a + variable, make the descriptor one-based. + +2018-02-10 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84141 + PR fortran/84155 + * trans-array.c (gfc_array_init_size): Revert the change made + in revision 257356 setting the dtype. + * trans-types.c (gfc_get_dtype): Do not use the cached dtype. + Call gfc_get_dtype_rank_type every time. + + PR fortran/56691 + * trans-array.c (gfc_conv_expr_descriptor): If the source array + is a descriptor type, use its offset, removing the condition + that is be a class expression. + +2018-02-07 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/82994 + * match.c (gfc_match_deallocate): Check for NULL pointer. + +2018-02-07 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/68560 + * trans-intrinsic.c (gfc_conv_intrinsic_shape): New function. + (gfc_conv_intrinsic_function): Call it. + +2018-02-07 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/82049 + * match.c (gfc_match_type_spec): If the charlen is non-NULL, then + try to resolve it. While here return early if possible. + +2018-02-04 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84115 + * trans-decl.c (gfc_get_symbol_decl): Do not finish the decl of + 'length' if the symbol charlen backend_decl is an indirect ref. + +2018-02-03 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84141 + PR fortran/84155 + * trans-array.c (gfc_array_init_size): Instead of gfc_get_dtype + use gfc_get_dtype_rank_type. + +2018-02-01 Janne Blomqvist <jb@gcc.gnu.org> + + PR 83975 + PR 83344 + * resolve.c (resolve_assoc_var): Generate an error if + target length unknown. + +2018-02-01 Janne Blomqvist <jb@gcc.gnu.org> + + PR fortran/83705 + * simplify.c (gfc_simplify_repeat): Increase limit for deferring + to runtime, print a warning message. + +2018-01-31 Jakub Jelinek <jakub@redhat.com> + + PR fortran/84116 + * openmp.c (gfc_match_omp_clauses): If all the linear + gfc_match_omp_variable_list calls failed, don't gfc_free_omp_namelist + nor set *head = NULL. Formatting fixes. + +2018-01-31 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84088 + * trans-expr.c (gfc_conv_procedure_call): If the parm expr is + an address expression passed to an assumed rank dummy, convert + to an indirect reference. + +2018-01-31 Thomas Koenig <tkoenig@gcc.gnu.org> + + * dump-parse-tree.c (write_proc): Use sym_name (which may + be sym->binding_label) instead of sym->name. + +2018-01-31 Janne Blomqvist <jb@gcc.gnu.org> + + * trans-const.c (gfc_conv_string_init): Use gfc_charlen_t instead + of int for slen. + +2018-01-31 Janne Blomqvist <jb@gcc.gnu.org> + + PR fortran/78534 + * trans-expr.c (fill_with_spaces): Use memset instead of + generating loop. + (gfc_trans_string_copy): Improve opportunity to use builtins with + constant lengths. + +2018-01-30 Jakub Jelinek <jakub@redhat.com> + + PR debug/84131 + * trans-array.c (gfc_get_descriptor_offsets_for_info): Set *data_off + to DATA_FIELD's offset rather than OFFSET_FIELD's offset. + +2018-01-30 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/84134 + * array.c (gfc_ref_dimen_size): Whitespace fixes. If stride is + zero, return false. + +2018-01-30 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/84133 + * frontend-passes (matmul_to_var_expr): Return early if + in association list. + (inline_matmul_assign): Likewise. + +2017-01-29 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/84073 + * resolve.c (resolve_component): Ensure BIND(C) character + components have length one. + (resolve_symbol): Likewise for variables. + +2018-01-27 Jakub Jelinek <jakub@redhat.com> + + PR fortran/84065 + * decl.c (add_init_expr_to_sym): Ignore initializers for too large + lengths. + +2018-01-26 Damian Rouson <damian@sourceryinstitute.org> + Alessandro Fanfarillo <fanfarillo.gcc@gmail.com> + Soren Rasmussen <s.c.rasmussen@gmail.com> + + Partial support for Fortran 2018 teams features. + + * array.c (gfc_match_array_ref): add team attribute in coarray + transfers. + * check.c (gfc_check_get_team, gfc_check_team_number): add new + functions for get_team and team_number. + * dump-parse-tree.c (show_code_node): add new statements: form team, + change team, end team, and sync team. + * expr.c (gfc_find_team_co): add new function. + * gfortran.h: add new statements. + * intrinsic.c (add_functions): add get_team and team_number functions. + * intrinsic.h: add get_team and team_number prototypes for check, + simplify, and resolve. + * iresolve.c (gfc_resolve_get_team, gfc_resolve_team_number): add new + functions. + * iso-fortran-env.def: add the team_type derived type. + * match.c (gfc_match_if, gfc_match_form_team, gfc_match_team_number) + (gfc_match_end_team, gfc_match_sync_team, gfc_match_change_team): + add change team, end team, form team, sync team match and functions. + * match.h: add new prototypes for change team, end team, form team, + and sync team. + * parse.c (decode_statement): add cases for change team, end team, + form team, and sync team. + * resolve.c: add cases for exec form team, change team, end team, and + sync team. + * simplify.c (gfc_simplify_get_team): add new function for get team. + * st.c (gfc_free_statement): add cases exec for change team, end team, + form team, sync team. + * trans-decl.c (gfor_fndecl_caf_form_team) + (gfor_fndecl_caf_change_team, gfor_fndecl_caf_end_team) + (gfor_fndecl_caf_sync_team, gfor_fndecl_caf_get_team) + (gfor_fndecl_caf_team_number): add functions and definitions. + * trans-intrinsic.c (conv_caf_send, conv_intrinsic_team_number): add + new function and team_type argument support. + * trans-stmt.c (gfc_trans_form_team, gfc_trans_change_team) + (gfc_trans_end_team, gfc_trans_sync_team): add new functions. + * trans-stmt.h: add new prototypes. + * trans-types.c (gfc_get_derived_type): check condition for team_type. + * trans.c (trans_code): new exec cases for form team, change team, end + team, and sync team. + * trans.h: add new prototypes. + +2018-01-26 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/83998 + * simplify.c (compute_dot_product): Initialize result to INTEGER(1) 0 + or .false. The summation does the correct type conversion. + (gfc_simplify_dot_product): Special case zero-sized arrays. + +2018-25-01 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/37577 + * array.c (gfc_match_array_ref): If standard earlier than F2008 + it is an error if the reference dimension is greater than 7. + libgfortran.h : Increase GFC_MAX_DIMENSIONS to 15. Change the + dtype masks and shifts accordingly. + * trans-array.c (gfc_conv_descriptor_dtype): Use the dtype + type node to check the field. + (gfc_conv_descriptor_dtype): Access the rank field of dtype. + (duplicate_allocatable_coarray): Access the rank field of the + dtype descriptor rather than the dtype itself. + * trans-expr.c (get_scalar_to_descriptor_type): Store the type + of 'scalar' on entry and use its TREE_TYPE if it is ARRAY_TYPE + (ie. a character). + (gfc_conv_procedure_call): Pass TREE_OPERAND (tmp,0) to + get_scalar_to_descriptor_type if the actual expression is a + constant. + (gfc_trans_structure_assign): Assign the rank directly to the + dtype rank field. + * trans-intrinsic.c (gfc_conv_intrinsic_rank): Cast the result + to default integer kind. + (gfc_conv_intrinsic_sizeof): Obtain the element size from the + 'elem_len' field of the dtype. + * trans-io.c (gfc_build_io_library_fndecls): Replace + gfc_int4_type_node with dtype_type_node where necessary. + (transfer_namelist_element): Use gfc_get_dtype_rank_type for + scalars. + * trans-types.c : Provide 'get_dtype_type_node' to acces the + dtype_type_node and, if necessary, build it. + The maximum size of an array element is now determined by the + maximum value of size_t. + Update the description of the array descriptor, including the + type def for the dtype_type. + (gfc_get_dtype_rank_type): Build a constructor for the dtype. + Distinguish RECORD_TYPEs that are BT_DERIVED or BT_CLASS. + (gfc_get_array_descriptor_base): Change the type of the dtype + field to dtype_type_node. + (gfc_get_array_descr_info): Get the offset to the rank field of + the dtype. + * trans-types.h : Add a prototype for 'get_dtype_type_node ()'. + * trans.h : Define the indices of the dtype fields. + +2018-23-01 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83866 + * decl.c (gfc_match_derived_decl): If eos not matched, recover + and emit error about garbage after declaration. + +2018-23-01 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83898 + * trans-stmt.c (trans_associate_var): Do not set cst_array_ctor + for characters. + +2018-01-22 Janne Blomqvist <jb@gcc.gnu.org> + + PR 78534 + PR 83704 + * arith.c (gfc_arith_concat): Use size_t for string length. + (gfc_compare_string): Likewise. + (gfc_compare_with_Cstring): Likewise. + * array.c (gfc_resolve_character_array_constructor): Use + HOST_WIDE_INT, gfc_mpz_get_hwi. + * check.c (gfc_check_fe_runtime_error): Use size_t. + * data.c (create_character_initializer): Use HOST_WIDE_INT, + gfc_extract_hwi. + * decl.c (gfc_set_constant_character_len): Use gfc_charlen_t. + (add_init_expr_to_sym): Use HOST_WIDE_INT. + * expr.c (gfc_build_init_expr): Use HOST_WIDE_INT, + gfc_extract_hwi. + (gfc_apply_init): Likewise. + * match.h (gfc_set_constant_character_len): Update prototype. + * primary.c (match_string_constant): Use size_t. + * resolve.c (resolve_ordinary_assign): Use HOST_WIDE_INT, + gfc_mpz_get_hwi. + * simplify.c (init_result_expr): Likewise. + (gfc_simplify_len_trim): Use size_t. + * target-memory.c (gfc_encode_character): Use size_t. + (gfc_target_encode_expr): Use HOST_WIDE_INT, gfc_mpz_get_hwi. + (interpret_array): Use size_t. + (gfc_interpret_character): Likewise. + * target-memory.h (gfc_encode_character): Update prototype. + (gfc_interpret_character): Likewise. + (gfc_target_interpret_expr): Likewise. + * trans-const.c (gfc_build_string_const): Use size_t for length + argument. + (gfc_build_wide_string_const): Likewise. + * trans-const.h (gfc_build_string_const): Likewise. + (gfc_build_wide_string_const): Likewise. + +2018-01-20 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/83900 + * simplify.c (gfc_simplify_matmul): Set return type correctly. + +2018-01-19 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/83900 + * simplify.c (gfc_simplify_matmul): Delete bogus assertion. + +2018-01-17 Harald Anlauf <anlauf@gmx.de> + + PR fortran/83864 + * expr.c (add_init_expr_to_sym): Do not dereference NULL pointer. + +2018-01-17 Harald Anlauf <anlauf@gmx.de> + + PR fortran/83874 + * decl.c (add_init_expr_to_sym): Do not dereference NULL pointer. + +2018-01-15 Louis Krupp <louis.krupp@zoho.com> + + PR fortran/82257 + * interface.c (compare_rank): Don't try to retrieve CLASS_DATA + from symbol marked unlimited polymorphic. + * resolve.c (resolve_structure_cons): Likewise. + * misc.c (gfc_typename): Don't dereference derived->components + if it's NULL. + +2018-01-15 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/54613 + * gfortran.h (gfc_check_f): Rename f4ml to f5ml. + (gfc_logical_4_kind): New macro + * intrinsic.h (gfc_simplify_minloc): Add a gfc_expr *argument. + (gfc_simplify_maxloc): Likewise. + (gfc_resolve_maxloc): Likewise. + (gfc_resolve_minloc): Likewise. + * check.c (gfc_check_minloc_maxloc): Add checking for "back" + argument; also raise error if it is used (for now). Add it + if it isn't present. + * intrinsic.c (add_sym_4ml): Rename to + (add_sym_5ml), adjust for extra argument. + (add_functions): Add "back" constant. Adjust maxloc and minloc + for back argument. + * iresolve.c (gfc_resolve_maxloc): Add back argument. If back is + not of gfc_logical_4_kind, convert. + (gfc_resolve_minloc): Likewise. + * simplify.c (gfc_simplify_minloc): Add back argument. + (gfc_simplify_maxloc): Likewise. + * trans-intinsic.c (gfc_conv_intrinsic_minmaxloc): Rename last + argument to %VAL to ensure passing by value. + (gfc_conv_intrinsic_function): Call gfc_conv_intrinsic_minmaxloc + also for library calls. + +2018-01-13 Jerry DeLisle <jvdelisle@gcc.gnu.org> + + PR fortran/82007 + * resolve.c (resolve_transfer): Delete code looking for 'DT' + format specifiers in format strings. Set formatted to true if a + format string or format label is present. + * trans-io.c (get_dtio_proc): Likewise. (transfer_expr): Fix + whitespace. + +2018-01-13 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/83744 + * dump-parse-tree.c (get_c_type_name): Remove extra line. + Change for loop to use declaration in for loop. Handle BT_LOGICAL + and BT_CHARACTER. + (write_decl): Add where argument. Fix indentation. Replace + assert with error message. Add typename to warning + in comment. + (write_type): Adjust locus to call of write_decl. + (write_variable): Likewise. + (write_proc): Likewise. Replace assert with error message. + +2018-01-13 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/52162 + * trans-expr.c (gfc_trans_scalar_assign): Flag is_alloc_lhs if + the rhs expression is neither an elemental nor a conversion + function. + + PR fortran/83622 + * trans-array.c (is_pointer_array): Remove unconditional return + of false for -fopenmp. + +2018-01-13 Thomas Koenig <tkoenig@gcc.gnu.org> + <emsr@gcc.gnu.org> + + PR fortran/83803 + * dump-parse-tree.c (write_proc): Always emit closing parenthesis + for functions. + +2018-01-10 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/82367 + * resolve.c (resolve_allocate_expr): Check for NULL pointer. + +2018-01-10 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/83093 + * resolve.c (resolve_charlen): Check the type of cl->length + after resolution. + +2018-01-10 Janne Blomqvist <jb@gcc.gnu.org> + + PR fortran/83740 + * trans-array.c (gfc_trans_array_ctor_element): Fix formatting. + +2018-01-10 Janne Blomqvist <jb@gcc.gnu.org> + + PR fortran/83740 + * trans-array.c (gfc_trans_array_ctor_element): Convert RHS to the + LHS type when assigning. + +2018-01-09 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/83742 + * expr.c (gfc_is_simply_contiguous): Check for NULL pointer. + +2018-01-08 Steven G. Kargl <kargl@gcc.gnu.org> + + * match.c (gfc_match_allocate): Check for NULL pointer. + +2018-01-08 Steven G. Kargl <kargl@gcc.gnu.org> + + * expr.c (gfc_check_pointer_assign): Fix typo in comment. + +2018-01-08 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83611 + * decl.c (gfc_get_pdt_instance): If parameterized arrays have + an initializer, convert the kind parameters and add to the + component if the instance. + * trans-array.c (structure_alloc_comps): Add 'is_pdt_type' and + use it with case COPY_ALLOC_COMP. Call 'duplicate_allocatable' + for parameterized arrays. Clean up typos in comments. Convert + parameterized array initializers and copy into the array. + * trans-expr.c (gfc_trans_scalar_assign): Do a deep copy for + parameterized types. + *trans-stmt.c (trans_associate_var): Deallocate associate vars + as necessary, when they are PDT function results for example. + + PR fortran/83731 + * trans-array.c (structure_alloc_comps): Only compare len parms + when they are declared explicitly. + +2018-01-06 Janne Blomqvist <jb@gcc.gnu.org> + + PR fortran/50892 + * trans-expr.c (gfc_trans_pointer_assignment): fold_convert rhs to + lhs type. + +2018-01-05 Janne Blomqvist <jb@gcc.gnu.org> + + PR fortran/78534 + PR fortran/66310 + * array.c (got_charlen): Use gfc_charlen_int_kind. + * class.c (gfc_find_derived_vtab): Use gfc_size_kind instead of + hardcoded kind. + (find_intrinsic_vtab): Likewise. + * decl.c (match_char_length): Use gfc_charlen_int_kind. + (add_init_expr_to_sym): Use gfc_charlen_t and gfc_charlen_int_kind. + (gfc_match_implicit): Use gfc_charlen_int_kind. + * dump-parse-tree.c (show_char_const): Use gfc_charlen_t and size_t. + (show_expr): Use HOST_WIDE_INT_PRINT_DEC. + * expr.c (gfc_get_character_expr): Length parameter of type + gfc_charlen_t. + (gfc_get_int_expr): Value argument of type HOST_WIDE_INT. + (gfc_extract_hwi): New function. + (simplify_const_ref): Make string_len of type gfc_charlen_t. + (gfc_simplify_expr): Use HOST_WIDE_INT for substring refs. + * frontend-passes.c (optimize_trim): Use gfc_charlen_int_kind. + * gfortran.h (gfc_mpz_get_hwi): New prototype. + (gfc_mpz_set_hwi): Likewise. + (gfc_charlen_t): New typedef. + (gfc_expr): Use gfc_charlen_t for character lengths. + (gfc_size_kind): New extern variable. + (gfc_extract_hwi): New prototype. + (gfc_get_character_expr): Use gfc_charlen_t for character length. + (gfc_get_int_expr): Use HOST_WIDE_INT type for value argument. + * gfortran.texi: Update description of hidden string length argument. + * iresolve.c (check_charlen_present): Use gfc_charlen_int_kind. + (gfc_resolve_char_achar): Likewise. + (gfc_resolve_repeat): Pass string length directly without + temporary, use gfc_charlen_int_kind. + (gfc_resolve_transfer): Use gfc_charlen_int_kind. + * match.c (select_intrinsic_set_tmp): Use HOST_WIDE_INT for charlen. + * misc.c (gfc_mpz_get_hwi): New function. + (gfc_mpz_set_hwi): New function. + * module.c (atom_int): Change type from int to HOST_WIDE_INT. + (parse_integer): Don't complain about large integers. + (write_atom): Use HOST_WIDE_INT for integers. + (mio_integer): Handle integer type mismatch. + (mio_hwi): New function. + (mio_intrinsic_op): Use HOST_WIDE_INT. + (mio_array_ref): Likewise. + (mio_expr): Likewise. + * primary.c (match_substring): Use gfc_charlen_int_kind. + * resolve.c (resolve_substring_charlen): Use gfc_charlen_int_kind. + (resolve_character_operator): Likewise. + (resolve_assoc_var): Likewise. + (resolve_select_type): Use HOST_WIDE_INT for charlen, use snprintf. + (resolve_charlen): Use mpz_sgn to determine sign. + * simplify.c (gfc_simplify_repeat): Use HOST_WIDE_INT/gfc_charlen_t + instead of long. + * symbol.c (generate_isocbinding_symbol): Use gfc_charlen_int_kind. + * target-memory.c (size_character): Length argument of type + gfc_charlen_t. + (gfc_encode_character): Likewise. + (gfc_interpret_character): Use gfc_charlen_t. + * target-memory.h (gfc_encode_character): Modify prototype. + * trans-array.c (gfc_trans_array_ctor_element): Use existing type. + (get_array_ctor_var_strlen): Use gfc_conv_mpz_to_tree_type. + (trans_array_constructor): Use existing type. + (get_array_charlen): Likewise. + * trans-const.c (gfc_conv_mpz_to_tree_type): New function. + * trans-const.h (gfc_conv_mpz_to_tree_type): New prototype. + * trans-decl.c (gfc_trans_deferred_vars): Use existing type. + (add_argument_checking): Likewise. + * trans-expr.c (gfc_class_len_or_zero_get): Build const of type + gfc_charlen_type_node. + (gfc_conv_intrinsic_to_class): Use gfc_charlen_int_kind instead of + 4, fold_convert to correct type. + (gfc_conv_class_to_class): Build const of type size_type_node for + size. + (gfc_copy_class_to_class): Likewise. + (gfc_conv_string_length): Use same type in expression. + (gfc_conv_substring): Likewise, use HOST_WIDE_INT for charlen. + (gfc_conv_string_tmp): Make sure len is of the right type. + (gfc_conv_concat_op): Use same type in expression. + (gfc_conv_procedure_call): Likewise. + (fill_with_spaces): Comment out memset() block due to spurious + -Wstringop-overflow warnings. + (gfc_trans_string_copy): Use gfc_charlen_type_node. + (alloc_scalar_allocatable_for_subcomponent_assignment): + fold_convert to right type. + (gfc_trans_subcomponent_assign): Likewise. + (trans_class_vptr_len_assignment): Build const of correct type. + (gfc_trans_pointer_assignment): Likewise. + (alloc_scalar_allocatable_for_assignment): fold_convert to right + type in expr. + (trans_class_assignment): Build const of correct type. + * trans-intrinsic.c (gfc_conv_associated): Likewise. + (gfc_conv_intrinsic_repeat): Do calculation in sizetype. + * trans-io.c (gfc_build_io_library_fndecls): Use + gfc_charlen_type_node for character lengths. + (set_string): Convert to right type in assignment. + * trans-stmt.c (gfc_trans_label_assign): Build const of + gfc_charlen_type_node. + (trans_associate_var): Likewise. + (gfc_trans_character_select): Likewise. + (gfc_trans_allocate): Likewise, don't typecast strlen result. + (gfc_trans_deallocate): Don't typecast strlen result. + * trans-types.c (gfc_size_kind): New variable. + (gfc_init_types): Determine gfc_charlen_int_kind and gfc_size_kind + from size_type_node. + * trans-types.h: Fix comment. + +2018-01-04 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/83683 + PR fortran/45689 + * check.c (gfc_check_eoshift): Check for string length and + for conformance of boundary. + * intrinsic.c (add_functions): Add gfc_simplify_eoshift. + * intrinsic.h: Add prototype for gfc_simplify_eoshift. + * simplify.c (gfc_simplify_eoshift): New function. + +2018-01-03 Richard Sandiford <richard.sandiford@linaro.org> + Alan Hayward <alan.hayward@arm.com> + David Sherwood <david.sherwood@arm.com> + + * trans-types.c (gfc_type_for_mode): Handle MODE_VECTOR_BOOL. + +2018-01-03 Richard Sandiford <richard.sandiford@linaro.org> + Alan Hayward <alan.hayward@arm.com> + David Sherwood <david.sherwood@arm.com> + + * trans-types.c (gfc_type_for_mode): Check valid_vector_subparts_p. + +2018-01-03 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/83664 + * check.c (gfc_check_eoshift): Error for missing boundary if array + is not one of the standard types. + +2018-01-03 Jakub Jelinek <jakub@redhat.com> + + Update copyright years. + + * gfortranspec.c (lang_specific_driver): Update copyright notice + dates. + * gfc-internals.texi: Bump @copying's copyright year. + * gfortran.texi: Ditto. + * intrinsic.texi: Ditto. + * invoke.texi: Ditto. + +2017-01-02 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/45689 + * intrinsic.c (add_function): Add gfc_simplify_maxloc and + gfc_simplify_minloc to maxloc and minloc, respectively. + * intrinsic.h: Add prototypes for gfc_simplify_minloc + and gfc_simplify_maxloc. + * simplify.c (min_max_chose): Adjust prototype. Modify function + to have a return value which indicates if the extremum was found. + (is_constant_array_expr): Fix typo in comment. + (simplify_minmaxloc_to_scalar): New function. + (simplify_minmaxloc_nodim): New function. + (new_array): New function. + (simplify_minmaxloc_to_array): New function. + (gfc_simplify_minmaxloc): New function. + (simplify_minloc): New function. + (simplify_maxloc): New function. + +2018-01-02 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/45689 + PR fortran/83650 + * simplify.c (gfc_simplify_cshift): Re-implement to allow full + range of arguments. + +2018-01-01 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83076 + * resolve.c (resolve_fl_derived0): Add caf_token fields for + allocatable and pointer scalars, when -fcoarray selected. + * trans-types.c (gfc_copy_dt_decls_ifequal): Copy the token + field as well as the backend_decl. + (gfc_get_derived_type): Flag GFC_FCOARRAY_LIB for module + derived types that are not vtypes. Components with caf_token + attribute are pvoid types. For a component requiring it, find + the caf_token field and have the component token field point to + its backend_decl. + + PR fortran/83319 + *trans-types.c (gfc_get_array_descriptor_base): Add the token + field to the descriptor even when codimen not set. + +Copyright (C) 2018 Free Software Foundation, Inc. + +Copying and distribution of this file, with or without modification, +are permitted in any medium without royalty provided the copyright +notice and this notice are preserved. + + PR fortran/87945 + * decl.c (var_element): Inquiry parameters cannit be data objects. + +2018-12-08 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/88025 + * expr.c (gfc_apply_init): Remove asserts that cannot trigger. + Check for a NULL pointer. + +2018-12-08 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/88357 + * class.c (insert_component_ref): Check for NULL pointer and + previous error message issued. + * parse.c (parse_associate): Check for NULL pointer. + * resolve.c (resolve_assoc_var): Check for NULL pointer. + +2018-12-07 Jakub Jelinek <jakub@redhat.com> + + PR fortran/88377 + * trans-openmp.c (gfc_omp_clause_default_ctor, + gfc_omp_clause_copy_ctor, gfc_omp_clause_assign_op, + gfc_omp_clause_linear_ctor, gfc_omp_clause_dtor): Only consider + GFC_DECL_GET_SCALAR_ALLOCATABLE vars as scalar allocatables if they + have pointer type. + +2018-12-03 Fritz Reese <fritzoreese@gmail.com> + Mark Eggleston <mark.eggleston@codethink.co.uk> + + PR fortran/87919 + * options.c (SET_FLAG, SET_BITFLAG, SET_BITFLAG2): New macros. + (set_dec_flags): Set/unset DEC and std flags according to value. + (post_dec_flags, set_init_local_zero): New functions. + (gfc_init_options): Use set_init_local_zero and post_dec_flags. + (gfc_handle_options) <case OPT_fcheck_array_temporaries>: Use + SET_BITFLAG. + <case OPT_finit_local_zero>: Use set_init_local_zero. + <case OPT_fdec>: Pass value to set_dec_flags. + <case OPT_fdec_structure>: Remove. + +2018-11-30 Thomas Schwinge <thomas@codesourcery.com> + + * gfortran.h (struct gfc_omp_clauses): Remove "wait". Adjust all + users. + + * openmp.c (gfc_match_omp_clauses): Support multiple OpenACC wait + clauses. + +2018-11-27 Martin Liska <mliska@suse.cz> + + * decl.c (gfc_match_gcc_builtin): New function. + * gfortran.h (struct vect_builtin_tuple): New. + (gfc_adjust_builtins): Likewise. + * lang-specs.h (TARGET_F951_OPTIONS): New. + (F951_OPTIONS): Use it. + * lang.opt: Add new option -fpre-include. + * match.h (gfc_match_gcc_builtin): Declare new function. + * parse.c (decode_gcc_attribute): Handle builtin. + (parse_progunit): Call gfc_adjust_builtins. + * scanner.c (gfc_new_file): Load pre-included header file + when provided. + * trans-intrinsic.c (add_simd_flag_for_built_in): New. + (gfc_adjust_builtins): Likewise. + +2018-11-24 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/88143 + * resolve.c (resolve_variable): Check for associate names with + NULL target. + +2018-11-23 Jakub Jelinek <jakub@redhat.com> + + * lang.opt (fpad-source): New option. + * scanner.c (load_line): Don't pad fixed form lines if + !flag_pad_source. + * invoke.texi (-fno-pad-source): Document. + +2018-11-21 Jakub Jelinek <jakub@redhat.com> + + * invoke.texi (-fdec-include): Document. + +2018-11-21 Jakub Jelinek <jakub@redhat.com> + Mark Eggleston <mark.eggleston@codethink.com> + + * lang.opt (fdec-include): New option. + * options.c (set_dec_flags): Set also flag_dec_include. + * scanner.c (include_line): Change return type from bool to int. + In fixed form allow spaces in between include keyword letters. + For -fdec-include, allow in fixed form 0 in column 6. With + -fdec-include return -1 if the parsed line is not full include + statement and it could be successfully completed on continuation + lines. + (include_stmt): New function. + (load_file): Adjust include_line caller. If it returns -1, keep + trying include_stmt until it stops returning -1 whenever adding + further line of input. + +2018-11-18 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/88073 + * frontend-passes.c (combine_array_constructor): Do not do + anything if in a WHERE statement. + +2018-11-18 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/70260 + * expr.c (gfc_check_assign): Reject assigning to an external + symbol. + (gfc_check_pointer_assign): Add suppress_type_test + argument. Insert line after if. A non-proc pointer can not point + to a constant. Only check types if suppress_type_test is false. + * gfortran.h (gfc_check_pointer_assign): Add optional + suppress_type_test argument. + * resolve.c (gfc_resolve_code): Move up gfc_check_pointer_assign + and give it the extra argument. + (resolve_fl_procedure): Set error on value for a function with + an inizializer. + +2018-11-15 David Malcolm <dmalcolm@redhat.com> + + PR other/19165 + * error.c (gfc_diagnostic_finalizer): Add diagnostic_t param. + +2018-11-13 David Malcolm <dmalcolm@redhat.com> + + * cpp.c: Replace "source_location" with "location_t". + * gfortran.h: Likewise. + +2018-11-08 Jakub Jelinek <jakub@redhat.com> + + * trans-openmp.c (gfc_trans_omp_clauses): Use + OMP_CLAUSE_DEFAULTMAP_SET_KIND. + (gfc_trans_omp_atomic): Set OMP_ATOMIC_MEMORY_ORDER + rather than OMP_ATOMIC_SEQ_CST. + (gfc_trans_omp_taskgroup): Build OMP_TASKGROUP using + make_node instead of build1_loc. + * types.def (BT_FN_VOID_BOOL, BT_FN_VOID_SIZE_SIZE_PTR, + BT_FN_UINT_UINT_PTR_PTR, BT_FN_UINT_OMPFN_PTR_UINT_UINT, + BT_FN_BOOL_UINT_LONGPTR_LONG_LONG_LONGPTR_LONGPTR_PTR_PTR, + BT_FN_BOOL_UINT_ULLPTR_LONG_ULL_ULLPTR_ULLPTR_PTR_PTR, + BT_FN_BOOL_LONG_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR_PTR_PTR, + BT_FN_BOOL_BOOL_ULL_ULL_ULL_LONG_ULL_ULLPTR_ULLPTR_PTR_PTR): New. + (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): Formatting fix. + +2018-11-02 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/46020 + * decl.c (verify_bind_c_sym): Remove unnecessary space + in error message. + +2018-11-01 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/87782 + * frontend-passes.c (constant_string_length): If there is a + substring with a length which cannot be reduced to a constant, + return NULL. + +2018-11-01 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/40196 + * dependency.c (are_identical_variables): Return false if the + inquiry refs are not the same. + (gfc_ref_needs_temporary_p): Break on an inquiry ref. + * dump_parse_tree.c (show_ref): Show the inquiry ref type. + * expr.c (gfc_free_ref_list): Break on an inquiry ref. + (gfc_copy_ref): Copy the inquiry ref types. + (find_inquiry_ref): New function. + (simplify_const_ref, simplify_ref_chain): Call it. Add new arg + to simplify_ref_chain. + (gfc_simplify_expr): Use the new arg in call to + simplify_ref_chain. + (gfc_get_full_arrayspec_from_expr, gfc_is_coarray): Break on + inquiry ref. + (gfc_traverse_expr): Return true for inquiry ref. + * frontend-passes.c (gfc_expr_walker): Break on inquiry ref. + * gfortran.h : Add enums and union member in gfc_ref to + implement inquiry refs. + * intrinsic.c : Fix white nois. + * match.c (gfc_match_assignment): A constant lavlue is an + error. + * module.c : Add DECL_MIO_NAME for inquiry_type and the mstring + for inquiry_types. + (mio_ref): Handle inquiry refs. + * primary.c (is_inquiry_ref): New function. + (gfc_match_varspec): Handle inquiry refs calling new function. + (gfc_variable_attr): Detect inquiry ref for disambiguation + with components. + (caf_variable_attr): Treat inquiry and substring refs in the + same way. + * resolve.c (find_array_spec): ditto. + (gfc_resolve_substring_charlen): If there is neither a charlen + ref not an inquiry ref, return. + (resolve_ref): Handle inqiry refs as appropriate. + (resolve_allocate_expr): Entities with an inquiry ref cannot be + allocated. + * simplify.c (simplify_bound, simplify_cobound): Punt on + inquiry refs. + * trans-array.c (get_array_ctor_var_strlen): Break on inquiry + ref. + *trans-expr.c (conv_inquiry): New function. + (gfc_conv_variable): Retain the last typespec to pass to + conv_inquiry on detecting an inquiry ref. + +2018-11-01 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/46020 + * decl.c (verify_bind_c_sym): Improve error message. + +2018-11-01 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/54613 + * gfortran.texi (File format of unformatted sequential files): + Replace random comma with period. + * intrinsic.texi (Intrinsic Procedures): Add FINDLOC to menu. + (FINDLOC): Document. + (MAXLOC): Add refrence to FINDLOC. + (MINLOC): Likewise. + +2018-10-31 Nathan Sidwell <nathan@acm.org> + + * cpp.c (gfc_cpp_init): Adjust cpp_force_token_locations call. + +2018-10-31 Martin Liska <mliska@suse.cz> + + * trans-decl.c (struct module_hasher): Call htab_hash_string + for s->name and not for s. + +2018-10-30 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/85896 + * simplify.c (simplify_min_max): Do not convert the type of the + return expression. + +2017-10-28 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/54613 + * gfortran.h (gfc_isym_id): Add GFC_ISYM_FINDLOC. + (gfc_check_f): Add f6fl field. + (gfc_simplify_f): Add f6 field. + (gfc_resolve_f): Likewise. + (gfc_type_letter): Add optional logical_equas_int flag. + * check.c (intrinsic_type_check): New function. + (gfc_check_findloc): New function. + * intrinsics.c (gfc_type_letter): If logical_equals_int is + set, act accordingly. + (add_sym_5ml): Reformat comment. + (add_sym_6fl): New function. + (add_functions): Add findloc. + (check_arglist): Add sixth argument, handle it. + (resolve_intrinsic): Likewise. + (check_specific): Handle findloc. + * intrinsic.h (gfc_check_findloc): Add prototype. + (gfc_simplify_findloc): Likewise. + (gfc_resolve_findloc): Likewise. + (MAX_INTRINSIC_ARGS): Adjust. + * iresolve.c (gfc_resolve_findloc): New function. + * simplify.c (gfc_simplify_minmaxloc): Make static. + (simplify_findloc_to_scalar): New function. + (simplify_findloc_nodim): New function. + (simplify_findloc_to_array): New function. + (gfc_simplify_findloc): New function. + (gfc_conv_intrinsic_findloc): New function. + (gfc_conv_intrinsic_function): Handle GFC_ISYM_FINDLOC. + (gfc_is_intrinsic_libcall): Likewise. + +2018-10-27 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/86907 + * frontend-passes.c (check_locus_code): Add information that + warning about missing location information points to an + inconsisten internal state. + (check_locus_expr): Likewise. + +2018-10-25 Jakub Jelinek <jakub@redhat.com> + + PR fortran/87725 + * openmp.c (gfc_match_omp_clauses): Parse simd, monotonic and + nonmonotonic modifiers regardless of if they have been parsed + already or if the opposite one has. Fix up check whether + comma after modifier should be parsed. + (resolve_omp_clauses): Diagnose schedule modifier restrictions. + +2018-10-23 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/85603 + * frontend-passes.c (get_len_call): New function to generate a + call to intrinsic LEN. + (create_var): Use this to make length expressions for variable + rhs string lengths. + Clean up some white space issues. + +2018-10-21 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/71880 + * trans-expr.c (gfc_trans_pointer_assignment): Set the string + length for array valued deferred length lhs. + +2018-10-18 Tobias Burnus <burnus@net-b.de> + + PR fortran/87625 + * trans-array.c (gfc_is_reallocatable_lhs): Detect allocatable + polymorphic arrays. + +2018-10-18 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/58618 + * trans-stmt.c (trans_associate_var): All strings that return + as pointer types can be assigned directly to the associate + name so remove 'attr' and the condition that uses it. + +2018-10-18 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/58618 + * trans-decl.c (gfc_get_symbol_decl): Deal correctly with the + initialization with NULL() of a deferred length pointer. + +2018-10-17 Tobias Burnus <burnus@net-b.de> + + PR fortran/87632 + * resolve.c (resolve_select_type): Use correct variable. + +2018-10-17 David Malcolm <dmalcolm@redhat.com> + + * Make-lang.in (selftest-fortran): New. + +2018-10-17 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/56386 + PR fortran/58906 + PR fortran/77385 + PR fortran/80260 + PR fortran/82077 + * resolve.c (resolve_variable): Fix up expressions with array + associate names, where the parser did not detect that this is + array and there was no array part_ref in the expression. + +2018-10-16 Tobias Burnus <burnus@net-b.de> + + PR fortran/67125 + * trans-array.c (gfc_array_init_size, gfc_array_allocate): + Rename argument e3_is_array_constr to e3_has_nodescriptor + and update comments. + * trans-stmt.c (gfc_trans_allocate): Also fix lower bound + to 1 for nonalloc/nonpointer func results/vars besides + array constructors. + +2018-10-16 Tobias Burnus <burnus@net-b.de> + + PR fortran/87556 + * trans-stmt.c (form_team, change_team, sync_team): + Don't ignore argse.pre/argse.post. + +2018-10-15 Paul Thomas <pault@gcc.gnu.org> + Tobias Burnus <burnus@gcc.gnu.org> + + PR fortran/87566 + * resolve.c (resolve_assoc_var): Add missing array spec for + class associate names. + (resolve_select_type): Handle case where last typed component + of the selector has a different type to the expression. + * trans-expr.c (gfc_find_and_cut_at_last_class_ref): Replace + call to gfc_expr_to_initialize with call to gfc_copy_expr. + (gfc_conv_class_to_class): Guard assignment to 'len' field + against case where zero constant is supplied. + +2018-10-12 Tobias Burnus <burnus@net-b.de> + + PR fortran/87597 + * expr.c (gfc_simplify_expr): Avoid simplifying + the 'array' argument to lbound/ubound/lcobound/ + ucobound. + +2018-10-12 Tobias Burnus <burnus@net-b.de> + + PR fortran/58787 + * decl.c (get_proc_name): Return with error before + creating sym_tree. + +2018-10-11 Tobias Burnus <burnus@net-b.de> + + Revert: + 2018-10-09 Tobias Burnus <burnus@net-b.de> + + PR fortran/83522 + * resolve.c (resolve_ref): Reject nonscalar + substring references. + +2018-10-09 David Malcolm <dmalcolm@redhat.com> + + * cpp.c (gfc_cpp_init_0): Update for renamings. + (cb_cpp_error): Rename to... + (cb_cpp_diagnostic): ...this, converting level and reason to + enums. + +2018-10-09 Tobias Burnus <burnus@net-b.de> + + PR fortran/83522 + * resolve.c (resolve_ref): Reject nonscalar + substring references. + +2018-10-09 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/87151 + * trans-array.c (gfc_get_array_span): Deal with deferred char + array components having a TYPE_MAX_VALUE of zero. + (gfc_array_init_size): Use the hidden string length component + to build the descriptor dtype. + (gfc_array_allocate): Remove the erroneous replacement of the + charlen backend decl with a temporary. + (gfc_conv_expr_descriptor): Use the ss_info string length in + the case of deferred character components. + (gfc_alloc_allocatable_for_assignment): Actually compare the + string lengths for deferred characters. Make sure that kind > 1 + is handled correctly. Set the span field of the descriptor. + * trans-intrinsic.c (gfc_conv_intrinsic_len): Remove the stupid + comment. + + PR fortran/80931 + * trans-array.c (gfc_array_allocate): Set the span field for + variable length character arrays. + +2018-10-08 Cesar Philippidis <cesar@codesourcery.com> + + * expr.c (gfc_check_pointer_assign): Demote "Assignment to + contiguous pointer from non-contiguous target" to a warning. + +2018-10-08 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/86372 + * trans-stmt.c (trans_associate_var): Character associate names + with variable string length do not have to be deferred length + for the string length to be set, if variable. + +2018-10-06 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/86111 + * gfortran.h (enum arith): Add ARITH_WRONGCONCAT. + * arith.h (gfc_arith_error): Issue error for ARITH_WRONGCONCAT. + (gfc_arith_concat): If the types of op1 and op2 are not + character of if their kinds do not match, issue ARITH_WRONGCONCAT. + +2018-10-06 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83999 + * resolve.c (resolve_fl_procedure): Include class functions in + the test that elemental function results be scalar. + +2018-10-06 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/84640 + * simplify.c (gfc_simplify_cshift): Extend size of hs_ex and ss_ex + by one. Set extents one past the array boundaries to zero to avoid + warning with instrumented compiler. + (gfc_simplify_eoshift): Likewise, only for ss_ex. + +2018-10-05 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/87487 + * trans-decl.c (gfc_get_symbol_decl): Make sure that deferred + character length pointer initializer has the right type to fix + problem with deferred_character_24.f90 on big endian. + +2018-10-03 Jeff Law <law@redhat.comg> + + * trans-types.c (get_typenode_from_name): Moved into gcc/tree.c. + +2018-10-01 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/65677 + * trans-expr.c (gfc_trans_assignment_1): Set the 'identical' + flag in the call to gfc_check_dependency. + +2018-09-30 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/87359 + * trans-array.c (gfc_is_reallocatable_lhs): Correct the problem + introduced by r264358, which prevented components of associate + names from being reallocated on assignment. + +2018-09-30 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/70752 + PR fortran/72709 + * trans-array.c (gfc_conv_scalarized_array_ref): If this is a + deferred type and the info->descriptor is present, use the + info->descriptor + (gfc_conv_array_ref): Is the se expr is a descriptor type, pass + it as 'decl' rather than the symbol backend_decl. + (gfc_array_allocate): If the se string_length is a component + reference, fix it and use it for the expression string length + if the latter is not a variable type. If it is a variable do + an assignment. Make use of component ref string lengths to set + the descriptor 'span'. + (gfc_conv_expr_descriptor): For pointer assignment, do not set + the span field if gfc_get_array_span returns zero. + * trans.c (get_array_span): If the upper bound a character type + is zero, use the descriptor span if available. + +2018-09-30 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/70149 + * trans-decl.c (gfc_get_symbol_decl): A deferred character + length pointer that is initialized needs the string length to + be initialized as well. + +2018-09-29 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/65677 + * trans-expr.c (gfc_trans_assignment_1): If there is dependency + fix the rse stringlength. + +2018-09-25 Martin Liska <mliska@suse.cz> + + PR fortran/87394 + * decl.c (add_hidden_procptr_result): Simplify condition + as we are in branch witch 'case1 || case2'. + +2018-09-25 Martin Liska <mliska@suse.cz> + + * trans.c (remove_suffix): Remove + unused function. + +2018-09-24 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/87397 + * gfc_conv_procedure_call: Do not add clobber on INTENT(OUT) + for variables in an associate statement. + +2018-09-24 Bernhard Reuther-Fischer <aldot@gcc.gnu.org> + Cesar Philippidis <cesar@codesourcery.com> + + * openmp.c (resolve_oacc_loop_blocks): + +2018-09-23 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/87397 + * gfc_conv_procedure_call: Do not add clobber on INTENT(OUT) + for variables having the dimension attribute. + +2018-09-23 Janne Blomqvist <jb@gcc.gnu.org> + + * trans-expr.c (gfc_caf_get_image_index): Do array index + calculations in gfc_array_index_type. + * trans-intrinsic.c (conv_intrinsic_event_query): Likewise. + * trans-stmt.c (gfc_trans_lock_unlock): Likewise. + (gfc_trans_event_post_wait): Likewise. + +2018-09-23 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/87395 + * gfc_conv_procedure_call: Reformat comments slightly. Do not add + clobber on INTENT(OUT) for saved variables. + +2018-09-22 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/41453 + * trans.h (gfc_conv_expr_reference): Add optional argument + add_clobber to prototype. + (gfc_conv_procedure_call): Set add_clobber argument to + gfc_conv_procedure_reference to true for scalar, INTENT(OUT), + non-pointer, non-allocatable, non-dummy variables whose type + is neither BT_CHARACTER, BT_DERIVED or BT_CLASS, but only if + the procedure is not elemental. + * trans-expr.c (gfc_conv_procedure_reference): Add clobber + statement before call if add_clobber is set. + +2018-09-22 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/85603 + * trans-array.c (gfc_alloc_allocatable_for_assignment): Test + the charlen backend_decl before using the VAR_P macro. + +2018-09-21 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/77325 + * trans-array.c (gfc_alloc_allocatable_for_assignment): If the + rhs has a charlen expression, convert that and use it. + * trans-expr.c (gfc_trans_assignment_1): The rse.pre for the + assignment of deferred character array vars to a realocatable + lhs should not be added to the exterior block since vector + indices, for example, generate temporaries indexed within the + loop. + +2018-09-21 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/87359 + * trans-stmt.c (gfc_trans_allocate): Don't deallocate alloc + components if must_finalize is set for expr3. + +2018-09-21 Andrew Stubbs <ams@codesourcery.com> + Kwok Cheung Yeung <kcy@codesourcery.com> + + * trans-expr.c (gfc_trans_structure_assign): Ensure that the first + argument of a call to _gfortran_caf_register is of size_type_node. + * trans-intrinsic.c (conv_intrinsic_event_query): Convert computed + index to a size_type_node type. + * trans-stmt.c (gfc_trans_event_post_wait): Likewise. + +2018-09-20 Allan Sandfeld Jensen <allan.jensen@qt.io> + + * gfortranspec.c (lang_specific_driver): Handle -r like -nostdlib. + +2018-09-20 Janus Weil <janus@gcc.gnu.org> + + * gfortran.h (gfc_str_startswith): New macro. + * decl.c (variable_decl, gfc_match_end): Use it. + * iresolve.c (is_trig_resolved): Ditto. + * module.c (load_omp_udrs, read_module): Ditto. + * options.c (gfc_handle_runtime_check_option): Ditto. + * primary.c (match_arg_list_function): Ditto. + * trans-decl.c (gfc_get_symbol_decl): Ditto. + * trans-expr.c (gfc_conv_procedure_call): Ditto. + * interface.c (dtio_op): Replace strncmp by strcmp. + * resolve.c (resolve_actual_arglist, resolve_function): Ditto. + * trans-expr.c (conv_arglist_function): Ditto. + * trans-intrinsic.c (gfc_conv_ieee_arithmetic_function): Replace macro + STARTS_WITH by gfc_str_startswith. + +2018-09-20 Cesar Philippidis <cesar@codesourcery.com> + + * dump-parse-tree.c (show_omp_clauses): Add missing omp list_types + and reorder the switch cases to match the enum in gfortran.h. + +2018-09-19 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84109 + * trans-expr.c (gfc_trans_assignment_1): The rse.pre for the + assignment of deferred character intrinsic elemental function + results to a realocatable lhs must not be added to the exterior + block if they are array valued but must go to the loop body. + +2018-09-18 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/29550 + * gfortran.h (gfc_expr): Add external_blas flag. + * frontend-passes.c (matrix_case): Add case A2TB2T. + (optimize_namespace): Handle flag_external_blas by + calling call_external_blas. + (get_array_inq_function): Add argument okind. If + it is nonzero, use it as the kind of argument + to be used. + (inline_limit_check): Remove m_case argument, add + limit argument instead. Remove assert about m_case. + Set the limit for inlining from the limit argument. + (matmul_lhs_realloc): Handle case A2TB2T. + (inline_matmul_assign): Handle inline limit for other cases with + two rank-two matrices. Remove no-op calls to inline_limit_check. + (call_external_blas): New function. + * trans-intrinsic.c (gfc_conv_intrinsic_funcall): Do not add + argument to external BLAS if external_blas is already set. + +2018-09-18 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/87239 + * trans-expr.c (gfc_trans_assignment_1): The rse.pre for the + assignment of deferred character elemental function results to + a realocatable lhs must not be added to the exterior block but + must go to the loop body. + +2018-09-18 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/87336 + * trans-array.c (gfc_get_array_span): Try to get the element + length of incomplete types. Return NULL_TREE otherwise. + (gfc_conv_expr_descriptor): Only set the 'span' field if the + above does not return NULL_TREE. Set 'span' field if possible + for all new descriptors. + +2018-09-17 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/64120 + * trans-decl.c (gfc_get_symbol_decl): Flag allocatable, scalar + characters with a variable length expression for deferred init. + (gfc_trans_deferred_vars): Perform the assignment for these + symbols by calling gfc_conv_string_length. + +2018-09-17 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/85954 + * resolve.c (resolve_assoc_var): If the target expression is a + deferred charlen dummy and the associate name shares the + charlen, generate a new one. Make sure that new charlens are in + the namespace list so that they get cleaned up. + * trans-array.c (gfc_is_reallocatable_lhs): Associate names are + not reallocatable. + * trans-decl.c (gfc_get_symbol_decl): Put deferred character + length dummy and result arrays on the deferred initialization + list so that the variable length arrays can be correctly dealt + with. + * trans-expr.c (gfc_conv_string_length): Return if 'expr' is + NULL rather than ICEing.. + +2018-09-16 Janus Weil <janus@gcc.gnu.org> + + PR fortran/86484 + PR fortran/84543 + * match.c (gfc_match_assignment): For a polymorphic assignment, + make sure that the vtab for the rhs type is generated. + +2018-09-16 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/37802 + * frontend-passes.c (B_ERROR): New macro for matmul bounds + checking error messages. + (C_ERROR): Likewise. + (inline_matmul_assign): Reorganize bounds checking, use B_ERROR + and C_ERROR macros. + +2018-09-13 Bernd Edlinger <bernd.edlinger@hotmail.de> + + * trans-array.c (gfc_conv_array_initializer): Remove excess precision + from overlength string initializers. + +2018-09-12 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/87284 + * trans-expr.c (gfc_trans_class_init_assign): Access to + to array elements of the dynamic type requires that the array + reference be added to the class expression and not the _data + component, unlike scalar expressions. + +2018-09-11 Janus Weil <janus@gcc.gnu.org> + + PR fortran/87172 + * resolve.c (resolve_fl_derived): If a type has the 'use_assoc' + attribute, then it was declared in another module, so there should be + no error that it has not been declared. + +2018-09-11 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/87277 + * expr.c (is_subref_array): Add the check of dimensionality for + class, dummy, pointer arrays. + +2018-09-11 Janus Weil <janus@gcc.gnu.org> + + PR fortran/86830 + * expr.c (gfc_is_simply_contiguous): Handle type-bound procedure calls + with non-polymorphic objects. + +2018-09-10 Janus Weil <janus@gcc.gnu.org> + + PR fortran/85395 + * decl.c (match_binding_attributes): Use correct default accessibility + for procedure pointer components. + +2018-09-03 Jerry DeLisle <jvdelisle@gcc.gnu.org> + + * simplify.c (gfc_simplify_modulo): Re-arrange code to test whether + 'P' is zero and issue an error if it is. + +2018-08-31 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/86328 + PR fortran/86760 + * trans-array.c (gfc_conv_scalarized_array_ref): Do not fix + info->descriptor but pass it directly to gfc_build_array_ref. + (gfc_conv_array_ref): Likewise for se->expr. + * trans.c (gfc_build_array_ref): If 'decl' is a COMPONENT_REF + obtain the span field directly from it. + +2017-08-28 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/80477 + * trans-expr.c (gfc_conv_procedure_call): Allocatable class + scalar results being passed to a derived type formal argument + are finalized if possible. Otherwise, rely on existing code for + deallocation. Make the deallocation of allocatable result + components conditional on finalization not taking place. Make + the freeing of data components after finalization conditional + on the data being NULL. + (gfc_trans_arrayfunc_assign): Change the gcc_assert to a + condition to return NULL_TREE. + (gfc_trans_assignment_1): If the assignment is class to class + and the rhs expression must be finalized but the assignment + is not marked as a polymorphic assignment, use the vptr copy + function instead of gfc_trans_scalar_assign. + + PR fortran/86481 + * trans-expr.c (gfc_conv_expr_reference): Do not add the post + block to the pre block if the expression is to be finalized. + * trans-stmt.c (gfc_trans_allocate): If the expr3 must be + finalized, load the post block into a finalization block and + add it right at the end of the allocation block. + +2018-08-27 David Malcolm <dmalcolm@redhat.com> + + PR 87091 + * error.c (gfc_format_decoder): Update for conversion of + show_caret_p to a tri-state. + +2018-08-25 Janus Weil <janus@gcc.gnu.org> + + PR fortran/86545 + * resolve.c (resolve_transfer): Correctly determine typespec for + generic function calls, in order to throw a proper error. + +2018-08-24 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/86837 + * frontend-passes.c (var_in_expr_callback): New function. + (var_in_expr): New function. + (traverse_io_block): Use var_in_expr instead of + gfc_check_dependency for checking if the variable depends on the + previous interators. + +2018-08-23 Janne Blomqvist <blomqvist.janne@gmail.com> + + * trans-intrinsic.c (gfc_conv_intrinsic_minmaxval): Delete + HONOR_SIGNED_ZEROS checks. + +2018-08-23 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/86863 + * resolve.c (resolve_typebound_call): If the TBP is not marked + as a subroutine, check the specific symbol. + +2018-08-22 Thomas Koenig <tkoenig@gcc.gnu.org> + + * gfortran.texi: Mention that asynchronous I/O does + not work on systems which lack condition variables, such + as AIX. + +2018-08-22 Janus Weil <janus@gcc.gnu.org> + + PR fortran/86935 + * match.c (gfc_match_associate): Improve diagnostics for the ASSOCIATE + statement. + +2018-08-22 Andrew Benson <abensonca@gmail.com> + + * module.c (load_generic_interfaces): Move call to find_symbol() + so that only occurs if actually needed. + +2018-08-22 Janus Weil <janus@gcc.gnu.org> + + PR fortran/86888 + * decl.c (gfc_match_data_decl): Allow allocatable components of + indirectly recursive type. + * resolve.c (resolve_component): Remove two errors messages ... + (resolve_fl_derived): ... and replace them by a new one. + +2018-08-21 Janne Blomqvist <jb@gcc.gnu.org> + + * trans-intrinsic.c (gfc_conv_intrinsic_minmax): Use + MAX_EXPR/MIN_EXPR unconditionally for real arguments. + * gfortran.texi (Compiler Characteristics): Document MAX/MIN + behavior wrt NaN. + +2018-08-21 Nicolas Koenig <koenigni@gcc.gnu.org> + Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/25829 + * gfortran.texi: Add description of asynchronous I/O. + * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables + as volatile. + * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to + st_wait_async and change argument spec from ".X" to ".w". + (gfc_trans_wait): Pass ID argument via reference. + +2018-08-16 Nathan Sidwell <nathan@acm.org> + + * cpp.c (dump_macro): Use cpp_user_macro_p. + +2018-08-14 Janus Weil <janus@gcc.gnu.org> + + PR fortran/86116 + * interface.c (compare_type): Remove a CLASS/TYPE check. + (compare_type_characteristics): New function that behaves like the old + 'compare_type'. + (gfc_check_dummy_characteristics, gfc_check_result_characteristics): + Call 'compare_type_characteristics' instead of 'compare_type'. + +2018-08-12 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/66679 + * trans-intrinsic.c (gfc_conv_intrinsic_transfer): Class array + elements are returned as references to the data element. Get + the class expression by stripping back the references. Use this + for the element size. + +2018-08-12 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/86906 + * resolve.c (resolve_fl_variable_derived): Check if the derived + type is use associated before checking for the host association + error. + +2018-08-10 Janus Weil <janus@gcc.gnu.org> + + PR fortran/57160 + * invoke.texi (frontend-optimize): Mention short-circuiting. + * options.c (gfc_post_options): Disable -ffrontend-optimize with -Og. + * resolve.c (resolve_operator): Warn about short-circuiting only with + -ffrontend-optimize. + * trans-expr.c (gfc_conv_expr_op): Use short-circuiting operators only + with -ffrontend-optimize. Without that flag, make sure that both + operands are evaluated. + +2018-08-08 Nathan Sidwell <nathan@acm.org> + + * cpp.c (cb_file_change): Use linemap_included_from. + +2018-08-07 Cesar Philippidis <cesar@codesourcery.com> + + * trans-stmt.h: Remove stale reference to trans-openacc.c. + +2018-08-04 Janus Weil <janus@gcc.gnu.org> + + PR fortran/45521 + * interface.c (gfc_compare_interfaces): Apply additional + distinguishability criteria of F08 to operator interfaces. + +2018-07-31 Andre Vieira <andre.simoesdiasvieira@arm.com> + + Revert 'AsyncI/O patch committed' + 2018-07-25 Nicolas Koenig <koenigni@gcc.gnu.org> + Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/25829 + * gfortran.texi: Add description of asynchronous I/O. + * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables + as volatile. + * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to + st_wait_async and change argument spec from ".X" to ".w". + (gfc_trans_wait): Pass ID argument via reference. + +2018-07-25 Nicolas Koenig <koenigni@gcc.gnu.org> + Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/25829 + * gfortran.texi: Add description of asynchronous I/O. + * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables + as volatile. + * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to + st_wait_async and change argument spec from ".X" to ".w". + (gfc_trans_wait): Pass ID argument via reference. + +2018-07-20 Martin Sebor <msebor@redhat.com> + + PR middle-end/82063 + * gfortran.h (gfc_handle_option): Change function argument + to HOST_WIDE_INT. + * options.c (gfc_handle_option): Same. + +2018-07-20 Andrew Benson <abenson@carnegiescience.edu> + + * gfortran.h (gfc_symbol): Add pointer to next derived type. + (gfc_dt_list, gfc_get_dt_list): Remove. + (gfc_namespace): Replace gfc_dt_list with gfc_symbol. + * parse.c (resolve_all_program_units): Replace gfc_free_dt_list() with + simple nullification of gfc_derived_types. + * resolve.c (resolve_global_procedure): Replace gfc_dt_list with + gfc_symbol. + (add_dt_to_dt_list): Change derived type linked list insertion to + utilize dt_next pointers in gfc_symbol. + * symbol.c (gfc_new_symbol, gfc_free_dt_list, gfc_symbol_done2) + (get_iso_c_binding_dt, generate_isocbinding_symbol): Remove + gfc_free_dt_list as gfc_dt_list is obsoleted. Change derived type + linked list search/insertion to utilize dt_next pointers in gfc_symbol. + * trans-types.c (gfc_get_derived_type): Change derived type linked + list search to utilize dt_next pointers in gfc_symbol. + +2018-07-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + + * trans-intrinsic.c: (gfc_conv_intrinsic_minmax): Emit MIN_MAX_EXPR + or IFN_FMIN/FMAX sequence to calculate the min/max when possible. + +2018-07-18 Janus Weil <janus@gcc.gnu.org> + Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/85599 + * dump-parse-tree.c (show_attr): Add handling of implicit_pure. + * frontend-passes.c (do_warn_function_elimination): Do not warn for + pure functions. + * gfortran.h: Add prototypes for gfc_pure_function and + gfc_implicit_pure_function. + * gfortran.texi: Add chapter on evaluation of logical expressions. + * invoke.texi: Mention that -Wfunction-elimination is implied + by -Wextra. + * lang.opt: Make -Wextra imply -Wfunction-elimination. + * resolve.c (pure_function): Rename to gfc_pure_function. + (gfc_implicit_pure_function): New function. + (check_pure_function): Use it here. + (impure_function_callback): New function. + (resolve_operator): Call it via gfc_expr_walker. + +2018-07-16 Fritz Reese <fritzoreese@gmail.com> + + PR fortran/83184 + * decl.c (match_old_style_init): Initialize locus of variable expr when + creating a data variable. + (match_clist_expr): Verify array is explicit shape/size before + attempting to allocate constant array constructor. + +2018-07-16 Fritz Reese <fritzoreese@gmail.com> + + PR fortran/86417 + * module.c (mio_component): Set component->loc when loading from module. + +2018-07-10 Jakub Jelinek <jakub@redhat.com> + + PR fortran/86421 + * module.c (omp_declare_simd_clauses): Add LINEAR with _REF, _VAL and + _UVAL suffixes. + (mio_omp_declare_simd): Save and restore ref, val and uval modifiers + on linear clauses. Initialize n->where to gfc_current_locus. + +2018-07-05 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/86408 + * resolve.c.c (resolve_contained_fntype): Reference to C418 is + in F2008 and not F2003. + (resolve_function): Ditto in error message. Also, exclude + deferred character length results from the error. + +2018-07-05 Fritz Reese <fritzoreese@gmail.com> + + PR fortran/83183 + PR fortran/86325 + * expr.c (class_allocatable, class_pointer, comp_allocatable, + comp_pointer): New helpers. + (component_initializer): Generate EXPR_NULL for allocatable or pointer + components. Do not generate initializers for components within BT_CLASS. + Do not assign to comp->initializer. + (gfc_generate_initializer): Use new helpers; move code to generate + EXPR_NULL for class allocatable components into component_initializer(). + +2018-07-04 Jerry DeLisle <jvdelisle@gcc.gnu.org> + + PR fortran/82009 + * trans-decl.c (gfc_process_block_locals): Delete assert and set + saved_local_decls = NULL_TREE. + +2018-07-02 Richard Biener <rguenther@suse.de> + + PR lto/86321 + * trans-types.c (gfc_get_array_type_bounds): Unshare TYPE_FIELDs + for the distinct type copy. + +2018-07-02 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/82969 + PR fortran/86242 + * trans-array.c (structure_alloc_comps): Do not explicitly copy + procedure pointer components. + +2018-07-02 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/45305 + * expr.c : Add a prototype for scalarize_intrinsic_call. + (gfc_simplify_expr): Use scalarize_intrinsic_call for elemental + intrinsic function calls. + (scalarize_intrinsic_call): Add 'init_flag' argument. Check if + the expression or any of the actual argument expressions are + NULL. Before calling gfc_check_init_expr, check 'init_flag'. + Only simplify the scalarized expressions if there are no errors + on the stack. + (gfc_check_init_expr): Set 'init_flag' true in the call to + scalarize_intrinsic_call. + +2018-06-28 Fritz Reese <fritzoreese@gmail.com> + + PR fortran/82865 + * decl.c (gfc_match_type): Refactor and check for PDT declarations. + +2018-06-28 Martin Liska <mliska@suse.cz> + + * gfortranspec.c: Include opt-suggestions.h. + +2018-06-25 Fritz Reese <fritzoreese@gmail.com> + + PR fortran/82972 + PR fortran/83088 + PR fortran/85851 + * expr.c (component_initializer): Assign init expr to c->initializer. + (generate_isocbinding_initializer): New. + (gfc_generate_initializer): Call generate_isocbinding_initializer to + generate initializers for c_ptr and c_funptr with -finit-derived. + +2018-06-23 Jerry DeLisle <jvdelisle@gcc.gnu.org> + + PR fortran/85983 + * interface.c (check_dtio_interface1): Delete assert. + +2018-06-22 Paul Thomas <pault@gcc.gnu.org> + Rainer Orth <ro@gcc.gnu.org> + + PR fortran/86281 + * resolve.c (resolve_contained_fntype): Check for the charlen + before testing the length. + +2018-06-21 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/49630 + * resolve.c (resolve_contained_fntype): Change standard ref. + from F95 to F2003: C418. Correct a spelling error in a comment. + It is an error for an abstract interface to have an assumed + character length result. + * trans-expr.c (gfc_conv_procedure_call): Likewise change the + standard reference. + +2018-06-21 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83118 + * resolve.c (resolve_ordinary_assign): Force the creation of a + vtable for assignment of non-polymorphic expressions to an + unlimited polymorphic object. + * trans-array.c (gfc_alloc_allocatable_for_assignment): Use the + size of the rhs type for such assignments. Set the dtype, _len + and vptrs appropriately. + * trans-expr.c (gfc_trans_assignment): Force the use of the + _copy function for these assignments. + +2018-06-20 Chung-Lin Tang <cltang@codesourcery.com> + Thomas Schwinge <thomas@codesourcery.com> + Cesar Philippidis <cesar@codesourcery.com> + + * gfortran.h (gfc_omp_clauses): Add unsigned if_present, finalize + bitfields. + * openmp.c (enum omp_mask2): Remove OMP_CLAUSE_PRESENT_OR_*. Add + OMP_CLAUSE_{IF_PRESENT,FINALIZE}. + (gfc_match_omp_clauses): Update handling of copy, copyin, copyout, + create, deviceptr, present_of_*. Add support for finalize and + if_present. + (OACC_PARALLEL_CLAUSES): Remove PRESENT_OR_* clauses. + (OACC_KERNELS_CLAUSES): Likewise. + (OACC_DATA_CLAUSES): Likewise. + (OACC_DECLARE_CLAUSES): Likewise. + (OACC_UPDATE_CLAUSES): Add IF_PRESENT clause. + (OACC_ENTER_DATA_CLAUSES): Remove PRESENT_OR_* clauses. + (OACC_EXIT_DATA_CLAUSES): Add FINALIZE clause. + (gfc_match_oacc_declare): Update to OpenACC 2.5 semantics. + * trans-openmp.c (gfc_trans_omp_clauses): Add support for IF_PRESENT + and FINALIZE. + +2018-06-18 Eric Botcazou <ebotcazou@adacore.com> + + * trans-decl.c (gfc_get_fake_result_decl): Revert latest change. + +2018-06-17 Eric Botcazou <ebotcazou@adacore.com> + + * trans-decl.c (nonlocal_dummy_decl_pset): Delete. + (nonlocal_dummy_decls): Likewise. + (gfc_nonlocal_dummy_array_decl): Likewise. + (gfc_get_symbol_decl): Do not call gfc_nonlocal_dummy_array_decl. + (gfc_get_fake_result_decl): Do not generate a new DECL if simply + reusing the result of a recursive call. + (gfc_generate_function_code): Do not create, insert and destroy + nonlocal_dummy_decls. + +2018-06-13 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/86110 + * array.c (gfc_resolve_character_array_constructor): Avoid NULL + pointer dereference. + +2018-06-13 Cesar Philippidis <cesar@codesourcery.com> + + PR fortran/85703 + * parse.c (decode_oacc_directive): Set gfc_matching_function + to false. + (decode_omp_directive): Likewise. + +2018-06-13 Cesar Philippidis <cesar@codesourcery.com> + + PR fortran/85702 + * openmp.c (gfc_match_oacc_wait): Use %C to report error location. + +2018-06-12 David Malcolm <dmalcolm@redhat.com> + + PR other/69968 + * misc.c (gfc_closest_fuzzy_match): Update for renaming of + levenshtein_distance to get_edit_distance. + +2018-06-12 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/44491 + * expr.c (gfc_check_assign): Select non-NULL locus. + +2018-06-11 Janus Weil <janus@gcc.gnu.org> + + PR fortran/45521 + * interface.c (compare_ptr_alloc): New function. + (generic_correspondence): Call it. + +2018-06-10 Thomas Koenig <tkoenig@gcc.gnu.org> + + * gfortran.h (gfc_expr): Add no_bounds_check field. + * frontend-passes.c (get_array_inq_function): Set no_bounds_check + on function and function argument. + (inline_matmul_assign): Set no_bounds_check on zero expression + and on lhs of zero expression. + Also handle A1B2 case if realloc on assigment is active. + * trans-array.c (gfc_conv_array_ref): Don't do range checking + if expr has no_bounds_check set. + (gfc_conv_expr_descriptor): Set no_bounds_check on ss if expr + has it set. + * trans-expr.c (gfc_trans_assignment_1): Set no_bounds_check + on lss and lss if the corresponding expressions have it set. + +2018-06-10 Dominique d'Humieres <dominiq@gcc.gnu.org> + + PR fortran/79854 + * trans-const.c: Remove include "diagnostic-core.h". + (gfc_conv_constant_to_tree): Replace fatal_error with gcc_unreachable. + +2018-06-10 Janus Weil <janus@gcc.gnu.org> + + PR fortran/85088 + * decl.c (match_attr_spec): Synchronize the DECL_* enum values with the + INTENT_* values from the enum 'sym_intent'. Call 'match_intent_spec' + and remove a TODO note. + * gfortran.h: Add a comment to sym_intent. + +2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/38351 + * resolve.c (resolve_operator): Provide better error message for + derived type entity used in an binary intrinsic numeric operator. + +2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85138 + PR fortran/85996 + PR fortran/86051 + * decl.c (gfc_match_char_spec): Use private namespace in attempt to + reduce a charlen to a constant. + +2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/78278 + * data.c (gfc_assign_data_value): Re-arrange code to allow for + an error for double initialization of CHARACTER entities. + +2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/63514 + * symbol.c (gfc_add_volatile): Enforce F2008:C1282 and F2018:C1588. + +2018-06-08 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/85631 + * trans.h (gfc_ss): Add field no_bounds_check. + * trans-array.c (gfc_conv_ss_startstride): If flag_realloc_lhs and + ss->no_bounds_check is set, do not use runtime checks. + * trans-expr.c (gfc_trans_assignment_1): Set lss->no_bounds_check + for reallocatable lhs. + +2018-06-08 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/86059 + * array.c (match_array_cons_element): NULL() cannot be in an + array constructor. + +2018-06-08 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/78571 + * data.c (create_character_initializer): Return early if type is + incompatible with CHARACTER. + +2018-06-07 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/86045 + * simplify.c (gfc_simplify_mod): Re-arrange code to test whether + 'P' is zero and issue an error if it is. + +2018-06-06 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/85641 + * frontend-passes.c (is_fe_temp): Add prototype. + (realloc_string_callback): Early return for frontend-generated + temporary. + +2018-06-05 Cesar Philippidis <cesar@codesourcery.com> + + PR fortran/85701 + + * openmp.c (gfc_resolve_oacc_declare): Error on functions and + subroutine data clause arguments. + +2018-06-04 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85981 + * resolve.c (resolve_allocate_deallocate): Check errmsg is default + character kind. + +2018-06-03 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/36497 + * decl.c (variable_decl): Use gfc_add_type for cray pointees. + +2018-06-01 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/63570 + * check.c (gfc_check_random_init): New function. Check arguments of + RANDOM_INIT. + * gfortran.h (GFC_ISYM_RANDOM_INIT): New enum token. + * intrinsic.c (add_subroutines): Add RANDOM_INIT to list of + subroutines. + (gfc_check_intrinsic_standard): Introduce Fortran 2018 check. + * intrinsic.h: Add prototypes for gfc_check_random_init and + gfc_resolve_random_init + * intrinsic.texi: Document new intrinsic subprogram. + * iresolve.c (gfc_resolve_random_init): Resolve routine name. + * trans-decl.c: Declare gfor_fndecl_random_init + * trans-intrinsic.c (conv_intrinsic_random_init): New function. + Translate call to RANDOM_INIT. + (gfc_conv_intrinsic_subroutine): Call it. + * trans.h: Declare gfor_fndecl_random_init + +2018-05-27 Steven G. Kargl <kargl@gcc.gnu.org> + + * decl.c (match_data_constant): Fortran 2018 allows pointer + initialization in a data statement. + +2018-05-25 Janus Weil <janus@gcc.gnu.org> + + PR fortran/85839 + * match.c (gfc_match_block_data): Call gfc_notify_std to warn about + an obsolescent feature in Fortran 2018. + (gfc_match_equivalence): Ditto. + * resolve.c (resolve_common_blocks): Ditto. + (gfc_resolve_forall): Ditto. + * symbol.c (gfc_define_st_label): Ditto. + +2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85543 + * resolve.c (update_current_proc_array_outer_dependency): Avoid NULL + pointer dereference. + +2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85780 + * resolve.c (resolve_fl_procedure): Avoid NULL dereference. + +2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85779 + * decl.c (gfc_match_derived_decl): Fix NULL point dereference. + +2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85895 + * resolve.c (resolve_sync): Resolve expression before checking for + an error. + +2018-05-22 Janus Weil <janus@gcc.gnu.org> + + PR fortran/85841 + * libgfortran.h: Remove the macros GFC_STD_F2008_TS and + GFC_STD_OPT_F08TS. + * error.c (notify_std_msg): Remove GFC_STD_F2008_TS. + * options.c (set_default_std_flags): Ditto. + (gfc_handle_option): Make -std=f2008ts an alias for -std=f2018. + * array.c (gfc_match_array_spec): Replace GFC_STD_F2008_TS by + GFC_STD_F2018. + * check.c (gfc_check_atomic, gfc_check_event_query, + gfc_check_c_f_pointer, gfc_check_c_f_procpointer, gfc_check_c_funloc, + gfc_check_c_loc, gfc_check_num_images, gfc_check_this_image): Ditto. + * decl.c (gfc_verify_c_interop_param, gfc_match_decl_type_spec): Ditto. + * intrinsic.c (add_functions, add_subroutines, + gfc_check_intrinsic_standard): Ditto. + * iso-c-binding.def: Ditto. + * iso-fortran-env.def: Ditto. + * match.c (gfc_match_event_post, gfc_match_event_wait, + gfc_match_fail_image, gfc_match_form_team, gfc_match_change_team, + gfc_match_end_team, gfc_match_sync_team): Ditto. + * gfortran.texi: Remove mention of -std=f2008ts. + Move TSs into F2018 section. + * invoke.texi: Update documentation of -std=f2008ts. + +2018-05-21 Janus Weil <janus@gcc.gnu.org> + + PR fortran/85841 + * libgfortran.h: New macros GFC_STD_OPT_*. + * error.c (notify_std_msg): New function. + (gfc_notify_std): Adjust such that it can handle combinations of + GFC_STD_* flags in the 'std' argument, not just a single one. + * match.c (match_arithmetic_if, gfc_match_if): Reject arithmetic if + in Fortran 2018. + (gfc_match_stopcode): Use GFC_STD_OPT_* macros. + * options.c (set_default_std_flags): Warn for F2018 deleted features + by default. + (gfc_handle_option): F2018 deleted features are allowed in earlier + standards. + * symbol.c (gfc_define_st_label, gfc_reference_st_label): Reject + nonblock do constructs in Fortran 2018. + +2018-05-20 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/80657 + * resolve.c (flag_fn_result_spec): Use the 'sym' argument to + test for self refs to the function result in the character len + expression. If a self reference is found, emit an error and + return true. + (resolve_fntype): Use the function symbol in the calls to the + above. + +2018-05-20 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/49636 + * trans-array.c (gfc_get_array_span): Renamed from + 'get_array_span'. + (gfc_conv_expr_descriptor): Change references to above. + * trans-array.h : Add prototype for 'gfc_get_array_span'. + * trans-intrinsic.c (gfc_conv_associated): Add pre and post + blocks for 'arg1'. + * trans-stmt.c (trans_associate_var): If the associate name is + a subref array pointer, use gfc_get_array_span for the span. + +2018-05-20 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/82275 + * match.c (gfc_match_type_spec): Go through the array ref and + decrement 'rank' for every dimension that is an element. + +2018-05-19 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/82923 + PR fortran/66694 + PR fortran/82617 + * trans-array.c (gfc_alloc_allocatable_for_assignment): Set the + charlen backend_decl of the rhs expr to ss->info->string_length + so that the value in the current scope is used. + +2018-05-13 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/63529 + * gfortran.texi: Clarify documentation for Cray pointer and + assumed-sized array. + +2018-05-13 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/85742 + * trans-types.c (gfc_get_dtype_rank_type): Reorder evaluation + of 'size'. If the element type is a pointer use the size of the + TREE_TYPE of the type, unless it is VOID_TYPE. In this latter + case, set the size to zero. + +2018-05-13 Steven G. Kargl <kargl@gcc.gnu.org> + + * gfortran.h: Remove prototype. + * symbol.c (gfc_new_undo_checkpoint): Remove unused function. + +2018-05-11 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85542 + * expr.c (check_inquiry): Avoid NULL pointer dereference. + +2018-05-10 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85687 + * check.c (gfc_check_rank): Check that the argument is a data object. + +2018-05-10 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85521 + * array.c (gfc_resolve_character_array_constructor): Substrings + with upper bound smaller than lower bound are zero length strings. + +2018-05-10 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/70870 + * data.c (gfc_assign_data_value): Check that a data object does + not also have default initialization. + +2018-05-10 Marek Polacek <polacek@redhat.com> + + PR fortran/85735 + * options.c (gfc_post_options): Set main_input_filename. + +2018-05-10 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/54613 + * intrinsic.texi: Document BACK for MINLOC and MAXLOC. + +2018-05-10 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/68846 + PR fortran/70864 + * resolve.c (get_temp_from_expr): The temporary must not have + dummy or intent attributes. + +2018-05-08 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/54613 + * check.c (gfc_check_minmaxloc): Remove error for BACK not being + implemented. Use gfc_logical_4_kind for BACK. + * simplify.c (min_max_choose): Add optional argument back_val. + Handle it. + (simplify_minmaxloc_to_scalar): Add argument back_val. Pass + back_val to min_max_choose. + (simplify_minmaxloc_to_nodim): Likewise. + (simplify_minmaxloc_to_array): Likewise. + (gfc_simplify_minmaxloc): Add argument back, handle it. + Pass back_val to specific simplification functions. + (gfc_simplify_minloc): Remove ATTRIBUTE_UNUSED from argument back, + pass it on to gfc_simplify_minmaxloc. + (gfc_simplify_maxloc): Likewise. + * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Adjust + comment. If BACK is true, use greater or equal (or lesser or + equal) insteal of greater (or lesser). Mark the condition of + having found a value which exceeds the limit as unlikely. + +2018-05-07 Jeff Law <law@redhat.comg> + + * scanner.c (preprocessor_line): Call linemap_add after a line + directive that changes the current filename. + +2018-05-06 Andre Vehreschild <vehre@gcc.gnu.org> + + PR fortran/85507 + * dependency.c (gfc_dep_resolver): Revert looking at coarray dimension + introduced by r259385. + * trans-intrinsic.c (conv_caf_send): Always report a dependency for + same variables in coarray assignments. + +2018-05-02 Tom de Vries <tom@codesourcery.com> + + PR libgomp/82428 + * f95-lang.c (DEF_GOACC_BUILTIN_ONLY): Define. + +2018-04-24 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85520 + * decl.c (gfc_match_char_spec): Check for negative length and set to 0. + +2018-04-14 Andre Vehreschild <vehre@gcc.gnu.org> + + PR fortran/81773 + PR fortran/83606 + * dependency.c (gfc_dep_resolver): Coarray indexes are to be ignored + during dependency computation. They define no data dependency. + * trans-array.c (conv_array_index_offset): The stride can not be set + here, prevent fail. + * trans-intrinsic.c (conv_caf_send): Add creation of temporary array + for caf_get's result and copying to the array with vectorial + indexing. + +2018-04-14 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/85387 + * frontend-passes.c (traverse_io_block): Check for start, end or + stride being defined by an outer implied DO loop. + +2018-04-12 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/83064 + PR testsuite/85346 + * trans-stmt.c (gfc_trans_forall_loop): Use annot_expr_ivdep_kind + for annotation and remove dependence on -ftree-parallelize-loops. + +2018-04-10 Jakub Jelinek <jakub@redhat.com> + + PR fortran/85313 + * openmp.c (resolve_omp_do): Remove bogus if (j < i) break;. + (resolve_oacc_nested_loops): Likewise. Formatting fix. + +2018-04-09 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/83064 + * trans-stmt.c (gfc_trans_forall_loop): Remove annotation for + parallell processing of DO CONCURRENT -ftree-parallelize-loops + is set. + +2018-04-09 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/51260 + * resolve.c (resolve_variable): Simplify cases where access to a + parameter array results in a single constant. + +2018-04-02 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/85102 + * decl.c (variable_decl): If upper or lower bounds simplify + to a constant, use that. + +2018-03-30 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84931 + * simplify.c (gfc_convert_constant): Handle case of array + constructors within an array that has no iterator and improve + the conciseness of this section of code. + +2017-03-30 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/85111 + * array.c (gfc_resolve_character_array_constructor): Early + exit for zero-size arrays. + * simplify.c (simplify_transformation_to_array): Exit early + if the result size is zero. + (simplify_minmaxloc_to_array): Likewise. + +2018-03-28 Mikael Morin <mikael@gcc.gnu.org> + + PR fortran/69497 + * symbol.c (gfc_symbol_done_2): Start freeing namespaces + from the root. + (gfc_free_namespace): Restore assert (revert r258839). + +2018-03-28 Jakub Jelinek <jakub@redhat.com> + + * gfortran.h (gfc_dt): Rename default_exp field to dec_ext. + * ioparm.def (IOPARM_dt_default_exp): Rename to ... + (IOPARM_dt_dec_ext): ... this. + * trans-io.c (build_dt): Adjust for default_exp renaming to + dec_ext and IOPARM_dt_default_exp renaming to IOPARM_dt_dec_ext. + * io.c (match_io): Likewise. + +2018-03-27 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/85084 + * frontend-passes.c (gfc_run_passes): Do not run front-end + optimizations if a previous error occurred. + +2018-03-27 Thomas Koenig <tkoenig@gcc.gnu.org> + Harald Anlauf <anlauf@gmx.de> + + PR fortran/85083 + * primary.c (gfc_convert_to_structure_constructor): Check + conformance of argument types in structure constructor. + +2018-03-26 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/66709 + * io.c: Include constructor.h. + (resolve_tag_format): For a constant character array, concatenate + into a single character expression. + +2018-03-25 Seth Johnson <johnsonsr@ornl.gov> + Dominique d'Humieres <dominiq@gcc.gnu.org> + + PR fortran/84924 + * check.c (gfc_check_c_f_pointer): Allow scalar noninteroperable + scalar derived type with -std=f2003 and -std=f2008. + +2018-03-24 Jerry DeLisle <jvdelisle@gcc.gnu.org> + Dominique d'Humieres <dominiq@gcc.gnu.org> + + PR fortran/69497 + * symbol.c (gfc_free_namespace): Delete the assert and only if + refs count is equals zero, free the namespace. Otherwise, + something is halfway and other errors will resound. + +2018-03-24 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/70068 + * expr.c (find_substring_ref): Change types of start, end + and length variables to gfc_charlen_t. Set length to zero + for empty substring. + +2018-03-24 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/42651 + * decl.c (check_function_name): Improved error message + (gfc_match_volatile, gfc_match_asynchronous) Use check_function_name. + +2018-03-22 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/84922 + * decl.c (get_proc_name): If the MODULE prefix appears in interface + body, then it must appear on the contained subroutine or function. + While here, fix nearby mis-indented code. + +2018-03-21 Thomas Koenig <tkoenig@gcc.gnu.org> + Harald Anlauf <anlauf@gmx.de> + + PR fortran/84957 + * trans-types.c (gfc_sym_type): Do not dereference NULL pointer. + +2018-03-21 Janne Blomqvist <jb@gcc.gnu.org> + + PR fortran/84615 + * trans-expr.c (gfc_conv_procedure_call): Convert charlen to + gfc_charlen_type_node when calling procedure. + +2018-03-20 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/85001 + * interface.c (symbol_rank): Remove bogus null pointer check that + crept in when translating a ternary operator into an if-else + constructor. + +2018-03-19 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/84931 + * simplify.c (gfc_convert_constant): Correctly handle iterators + for type conversion. + +2018-03-18 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/77414 + * decl.c (get_proc_name): Check for a subroutine re-defined in + the contain portion of a subroutine. Change language of existing + error message to better describe the issue. While here fix whitespace + issues. + +2018-03-18 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/65453 + * decl.c (get_proc_name): Catch clash between a procedure statement + and a contained subprogram + +2018-03-16 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/69395 + * decl.c (merge_array_spec): Correct the error condition. + +2018-03-15 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/78741 + * decl.c (get_proc_name): Check for clash of entry name with + subroutine name. + +2018-03-15 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/69395 + * decl.c (merge_array_spec): Limit the merging to maximum allowed + dimensions, and issue error message if limit is exceeded. + +2018-03-13 Steven G. Kargl <kargl@gcc.gnu.org> + + * check.c (gfc_check_kill_sub): Remove check for INTEGER(4) or (8). + * intrinsic.c (add_functions): Remove reference to gfc_resolve_kill. + (add_subroutines): Remove reference to gfc_resolve_kill_sub. + * intrinsic.texi: Update documentation. + * iresolve.c (gfc_resolve_kill, gfc_resolve_kill_sub): Remove. + * trans-decl.c (gfc_build_intrinsic_function_decls): Add + gfor_fndecl_kill and gfor_fndecl_kill_sub + * trans-intrinsic.c (conv_intrinsic_kill, conv_intrinsic_kill_sub): new + functions. + (gfc_conv_intrinsic_function): Use conv_intrinsic_kill. + (gfc_conv_intrinsic_subroutine): Use conv_intrinsic_kill_sub. + * trans.h: Declare gfor_fndecl_kill and gfor_fndecl_kill_sub. + +2018-03-11 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84546 + * trans-array.c (structure_alloc_comps): Make sure that the + vptr is copied and that the unlimited polymorphic _len is used + to compute the size to be allocated. + * trans-expr.c (gfc_get_class_array_ref): If unlimited, use the + unlimited polymorphic _len for the offset to the element. + (gfc_copy_class_to_class): Set the new 'unlimited' argument. + * trans.h : Add the boolean 'unlimited' to the prototype. + +2018-03-11 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/83939 + * resolve.c (resolve_fl_procedure): Enforce F2018:C15100. + +2018-03-11 Steven G. Kargl <kargls@gcc.gnu.org> + + * check.c (gfc_check_kill): Check pid and sig are scalar. + (gfc_check_kill_sub): Restrict kind to 4 and 8. + * intrinsic.c (add_function): Sort keyword list. Add pid and sig + keywords for KILL. Remove redundant *back="back" in favor of the + original *bck="back". + (add_subroutines): Sort keyword list. Add pid and sig keywords + for KILL. + * intrinsic.texi: Fix documentation to consistently use pid and sig. + * iresolve.c (gfc_resolve_kill): Kind can only be 4 or 8. Choose the + correct function. + (gfc_resolve_rename_sub): Add comment. + +2018-03-11 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/66128 + * simplify.c (simplify_transformation): Return default result for + empty array argument. + (gfc_simplify_all): Remove special-case handling for zerosize. + (gfc_simplify_any): Likewise. + (gfc_simplify_count): Likewise. + (gfc_simplify_iall): Likewise. + (gfc_simplify_iany): Likewise. + (gfc_simplify_iparity): Likewise. + (gfc_simplify_minval): Likewise. + (gfc_simplify_maxval): Likewise. + (gfc_simplify_norm2): Likewise. + (gfc_simplify_product): Likewise. + (gfc_simplify_sum): Likewise. + +2018-03-10 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/84734 + * arith.c (check_result, eval_intrinsic): If result overflows, pass + the expression up the chain instead of a NULL pointer. + +2018-03-07 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/64124 + PR fortran/70409 + * decl.c (gfc_match_char_spec): Try to reduce a charlen to a constant. + +2017-03-06 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/84697 + PR fortran/66128 + * expr.c (simplify_parameter_variable): If p is a size zero array + and not an ARRAY_EXPR insert an empty array constructor and + return. + * gfortran.h: Add prototype for gfc_is_size_zero_array. + * simplify.c (is_size_zero_array): Make non-static and rename into + (gfc_is_size_zero_array): Check for parameter arrays of zero + size by comparing shape and absence of constructor. + (gfc_simplify_all): Use gfc_is_size_zero_array instead of + is_size_zero_array. + (gfc_simplify_count): Likewise. + (gfc_simplify_iall): Likewise. + (gfc_simplify_iany): Likewise. + (gfc_simplify_iparity): Likewise. + (gfc_simplify_minval): Likewise. + (gfc_simplify_maxval): Likewise. + (gfc_simplify_product): Likewise. + (gfc_simplify_sum): Likewise. + +2018-03-06 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/56667 + * primary.c (match_sym_complex_part): Give the matcher for an implied + do-loop a chance to run. + +2018-03-03 Harald Anlauf <anlauf@gmx.de> + + PR fortran/71085 + * trans-expr.c (gfc_apply_interface_mapping_to_expr): Do not + dereference NULL pointer. + +2018-03-03 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/66128 + * simplify.c (is_size_zero_array): New function to check for size + zero array. + (gfc_simplify_all, gfc_simplify_any, gfc_simplify_count, + gfc_simplify_iall, gfc_simplify_iany, gfc_simplify_iparity, + gfc_simplify_minval, gfc_simplify_maxval, gfc_simplify_norm2, + gfc_simplify_product, gfc_simplify_sum): Use it, and implement + requirements from F2018. + +2018-03-03 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/51434 + * simplify.c (gfc_simplify_transfer): Resolve mold. + +2018-03-03 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/80965 + * resolve.c (build_loc_call): Change symtree name from 'loc' to + '_loc'. + +2018-03-01 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84219 + * target-memory.c (gfc_interpret_derived): Assert that BT_VOID + components are caf tokens. + (gfc_target_interpret_expr): Treat BT_VOID expressions as + integers. + +2018-03-01 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84538 + * class.c (class_array_ref_detected): Remove the condition that + there be no reference after the array reference. + (find_intrinsic_vtab): Remove excess whitespace. + * trans-array.c (gfc_conv_scalarized_array_ref): Rename 'tmp' + as 'base and call build_class_array_ref earlier. + +2018-02-28 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83901 + * trans-stmt.c (trans_associate_var): Make sure that the se + expression is a pointer type before converting it to the symbol + backend_decl type. + +2018-02-25 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/83633 + * decl.c (variable_decl): Check that an explicit-shape-array with + nonconstant bounds is allowed. + +2018-02-25 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84523 + * trans-intrinsic.c (gfc_conv_allocated): If the argument se + has a pre block, add it to the expression pre block. + +2018-02-25 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/78238 + * gfortran.h (gfc_integer_4_kind): Define. + * resolve.c (resolve_select_type): Make sure that the + kind of c->high is gfc_integer_4_kind. + +2018-02-24 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/30792 + * decl.c (gfc_match_data): Check for invalid substring in + data-implied-do + +2018-02-23 Steven G. Kargl <kargl@gcc.gnu.org> + + * intrinsic.texi: Arguments to MATMUL cannot both be rank one. + +2018-02-23 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/84511 + * trans-io.c (transfer_expr): Deal with C_LOC in transfer statement. + +2018-02-23 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/84346 + * interface.c (compare_actual_formal): Issue error if keyword is + used in a statement function. + +2018-02-23 Jerry DeLisle <jvdelisle@gcc.gnu.org> + + PR fortran/84506 + * trans-io.c (set_parameter_value_inquire): Adjust range check of + negative unit values for kind=8 units to the kind=4 negative limit. + +2018-02-23 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83149 + * trans-types.c (gfc_sym_type): Test sym->ns->proc_name before + accessing its components. + +2018-02-23 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83149 + * trans-decl.c (gfc_finish_var_decl): Test sym->ns->proc_name + before accessing its components. + +2018-02-23 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83148 + * trans-const.c : Clean up some whitespace issues. + * trans-expr.c (gfc_conv_initializer): If an iso_c_binding + derived type has a kind value of zero, set it to the default + integer kind. + +2018-02-23 Janne Blomqvist <jb@gcc.gnu.org> + + PR fortran/84519 + * trans-decl.c (gfc_build_builtin_function_decls): Add bool + argument to stop and error stop decls. + * trans-stmt.c (gfc_trans_stop): Add false value to argument + lists. + +2018-02-22 Janne Blomqvist <jb@gcc.gnu.org> + + PR 78534 + PR 84509 + * trans-decl.c (gfc_build_builtin_function_decls): Pass + gfc_int8_type node to pause_numeric, size_type_node to + pause_string. + * trans-stmt.c (gfc_trans_pause): Likewise. + +2018-02-22 Janne Blomqvist <jb@gcc.gnu.org> + + * gfortran.texi: Update Coarray API description. + * trans-decl.c (gfc_build_builtin_function_decls): Use size_t for + character lengths, int for exit codes. + (generate_coarray_sym_init): Use size_t for character length. + * trans-intrinsic.c (conv_co_collective): Likewise. + * trans-stmt.c (gfc_trans_lock_unlock): Likewise. + (gfc_trans_event_post_wait): Likewise. + (gfc_trans_sync): Likewise. + (gfc_trans_stop): Use size_t for character lengths, int for exit + codes. + +2018-02-20 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/48890 + PR fortran/83823 + * primary.c (gfc_convert_to_structure_constructor): + For a constant string constructor, make sure the length + is correct. + +2018-02-19 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83344 + PR fortran/83975 + * resolve.c (resolve_assoc_var): Rearrange the logic for the + determination of the character length of associate names. If + the associate name is missing a length expression or the length + expression is not a constant and the target is not a variable, + make the associate name allocatable and deferred length. + * trans-decl.c (gfc_get_symbol_decl): Null the character length + backend_decl for deferred length associate names that are not + variables. Set 'length' to gfc_index_zero_node for character + associate names, whose character length is a PARM_DECL. + +2018-02-19 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/35339 + * frontend-passes.c (traverse_io_block): Remove workaround for + PR 80945. + +2018-02-19 Andre Vehreschild <vehre@gcc.gnu.org> + + * gfortran.texi: Document additional src/dst_type. Fix some typos. + * trans-decl.c (gfc_build_builtin_function_decls): Declare the new + argument of _caf_*_by_ref () with * e { get, send, sendget }. + * trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Add the type of the + data referenced when generating a call to caf_get_by_ref (). + (conv_caf_send): Same but for caf_send_by_ref () and + caf_sendget_by_ref (). + +2018-02-18 Jerry DeLisle <jvdelisle@gcc.gnu.org> + + PR fortran/84389 + * io.c (check_format): Allow FMT_COLON. + +2018-02-18 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/80945 + * trans-array.c (gfc_conv_expr_descriptor): Set parmtype from + the typenode in the case of deferred length characters. + +2018-02-17 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/84270 + * frontend-passes (scalarized_expr): If the expression + is an assumed size array, leave in the last reference + and pass AR_SECTION instead of AR_FULL to gfc_resolve + in order to avoid an error. + +2018-02-17 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84115 + * resolve.c (resolve_assoc_var): If a non-constant target expr. + has no string length expression, make the associate variable + into a deferred length, allocatable symbol. + * trans-decl.c (gfc_is_reallocatable_lhs): Add and use a ptr to + the symbol. + * trans-stmt.c (trans_associate_var): Null and free scalar + associate names that are allocatable. After assignment, remove + the allocatable attribute to prevent reallocation. + +2018-02-16 Jakub Jelinek <jakub@redhat.com> + + PR fortran/84418 + * trans-openmp.c (gfc_trans_omp_clauses): For OMP_CLAUSE_LINEAR_REF + kind set OMP_CLAUSE_LINEAR_STEP to TYPE_SIZE_UNIT times last_step. + +2018-02-16 Dominique d'Humieres <dominiq@gcc.gnu.org> + + PR fortran/84354 + * decl.c (gfc_get_pdt_instance): Replace '%qs' with %qs. + +2018-02-15 Janus Weil <janus@gcc.gnu.org> + + PR fortran/84409 + * interface.c (check_dtio_arg_TKR_intent): Add a check for character + length. + +2018-02-14 Janus Weil <janus@gcc.gnu.org> + + PR fortran/84385 + * match.c (gfc_match_select_type): Fix check for selector in + SELECT TYPE statement. + +2018-02-13 Janus Weil <janus@gcc.gnu.org> + + PR fortran/84313 + * symbol.c (check_conflict): Reject procedure pointers in common blocks. + +2018-02-13 Alastair McKinstry <alastair.mckinstry@sceal.ie> + Janne Blomqvist <jb@gcc.gnu.org> + + * module.c (dump_module): Use lbasename to ensure that module + files are reproducible. + +2018-02-12 Janus Weil <janus@gcc.gnu.org> + + PR fortran/84273 + * resolve.c (resolve_component): Fix checks of passed argument in + procedure-pointer components. + +2018-02-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> + + PR fortran/35299 + * resolve.c (resolve_formal_arglist): Update error message. + +2018-02-11 Andre Vehreschild <vehre@gcc.gnu.org> + + * gfortran.texi: Fix typos in documentation of caf_register (). + * trans-array.c (structure_alloc_comps): Only register a component of + a derived typed corray, not of an ultimate component coarray. + +2018-02-11 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/54223 + PR fortran/84276 + * interface.c (compare_actual_formal): Add in_statement_function + bool parameter. Skip check of INTENT attribute for statement + functions. Arguments to a statement function cannot be optional, + issue error for missing argument. + (gfc_procedure_use, gfc_ppc_use, gfc_arglist_matches_symbol): Use + in_statement_function. + +2018-02-11 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84074 + * trans-expr.c (gfc_conv_derived_to_class): Set the use_offset + flag. If the is a vector subscript or the expression is not a + variable, make the descriptor one-based. + +2018-02-10 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84141 + PR fortran/84155 + * trans-array.c (gfc_array_init_size): Revert the change made + in revision 257356 setting the dtype. + * trans-types.c (gfc_get_dtype): Do not use the cached dtype. + Call gfc_get_dtype_rank_type every time. + + PR fortran/56691 + * trans-array.c (gfc_conv_expr_descriptor): If the source array + is a descriptor type, use its offset, removing the condition + that is be a class expression. + +2018-02-07 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/82994 + * match.c (gfc_match_deallocate): Check for NULL pointer. + +2018-02-07 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/68560 + * trans-intrinsic.c (gfc_conv_intrinsic_shape): New function. + (gfc_conv_intrinsic_function): Call it. + +2018-02-07 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/82049 + * match.c (gfc_match_type_spec): If the charlen is non-NULL, then + try to resolve it. While here return early if possible. + +2018-02-04 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84115 + * trans-decl.c (gfc_get_symbol_decl): Do not finish the decl of + 'length' if the symbol charlen backend_decl is an indirect ref. + +2018-02-03 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84141 + PR fortran/84155 + * trans-array.c (gfc_array_init_size): Instead of gfc_get_dtype + use gfc_get_dtype_rank_type. + +2018-02-01 Janne Blomqvist <jb@gcc.gnu.org> + + PR 83975 + PR 83344 + * resolve.c (resolve_assoc_var): Generate an error if + target length unknown. + +2018-02-01 Janne Blomqvist <jb@gcc.gnu.org> + + PR fortran/83705 + * simplify.c (gfc_simplify_repeat): Increase limit for deferring + to runtime, print a warning message. + +2018-01-31 Jakub Jelinek <jakub@redhat.com> + + PR fortran/84116 + * openmp.c (gfc_match_omp_clauses): If all the linear + gfc_match_omp_variable_list calls failed, don't gfc_free_omp_namelist + nor set *head = NULL. Formatting fixes. + +2018-01-31 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/84088 + * trans-expr.c (gfc_conv_procedure_call): If the parm expr is + an address expression passed to an assumed rank dummy, convert + to an indirect reference. + +2018-01-31 Thomas Koenig <tkoenig@gcc.gnu.org> + + * dump-parse-tree.c (write_proc): Use sym_name (which may + be sym->binding_label) instead of sym->name. + +2018-01-31 Janne Blomqvist <jb@gcc.gnu.org> + + * trans-const.c (gfc_conv_string_init): Use gfc_charlen_t instead + of int for slen. + +2018-01-31 Janne Blomqvist <jb@gcc.gnu.org> + + PR fortran/78534 + * trans-expr.c (fill_with_spaces): Use memset instead of + generating loop. + (gfc_trans_string_copy): Improve opportunity to use builtins with + constant lengths. + +2018-01-30 Jakub Jelinek <jakub@redhat.com> + + PR debug/84131 + * trans-array.c (gfc_get_descriptor_offsets_for_info): Set *data_off + to DATA_FIELD's offset rather than OFFSET_FIELD's offset. + +2018-01-30 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/84134 + * array.c (gfc_ref_dimen_size): Whitespace fixes. If stride is + zero, return false. + +2018-01-30 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/84133 + * frontend-passes (matmul_to_var_expr): Return early if + in association list. + (inline_matmul_assign): Likewise. + +2017-01-29 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/84073 + * resolve.c (resolve_component): Ensure BIND(C) character + components have length one. + (resolve_symbol): Likewise for variables. + +2018-01-27 Jakub Jelinek <jakub@redhat.com> + + PR fortran/84065 + * decl.c (add_init_expr_to_sym): Ignore initializers for too large + lengths. + +2018-01-26 Damian Rouson <damian@sourceryinstitute.org> + Alessandro Fanfarillo <fanfarillo.gcc@gmail.com> + Soren Rasmussen <s.c.rasmussen@gmail.com> + + Partial support for Fortran 2018 teams features. + + * array.c (gfc_match_array_ref): add team attribute in coarray + transfers. + * check.c (gfc_check_get_team, gfc_check_team_number): add new + functions for get_team and team_number. + * dump-parse-tree.c (show_code_node): add new statements: form team, + change team, end team, and sync team. + * expr.c (gfc_find_team_co): add new function. + * gfortran.h: add new statements. + * intrinsic.c (add_functions): add get_team and team_number functions. + * intrinsic.h: add get_team and team_number prototypes for check, + simplify, and resolve. + * iresolve.c (gfc_resolve_get_team, gfc_resolve_team_number): add new + functions. + * iso-fortran-env.def: add the team_type derived type. + * match.c (gfc_match_if, gfc_match_form_team, gfc_match_team_number) + (gfc_match_end_team, gfc_match_sync_team, gfc_match_change_team): + add change team, end team, form team, sync team match and functions. + * match.h: add new prototypes for change team, end team, form team, + and sync team. + * parse.c (decode_statement): add cases for change team, end team, + form team, and sync team. + * resolve.c: add cases for exec form team, change team, end team, and + sync team. + * simplify.c (gfc_simplify_get_team): add new function for get team. + * st.c (gfc_free_statement): add cases exec for change team, end team, + form team, sync team. + * trans-decl.c (gfor_fndecl_caf_form_team) + (gfor_fndecl_caf_change_team, gfor_fndecl_caf_end_team) + (gfor_fndecl_caf_sync_team, gfor_fndecl_caf_get_team) + (gfor_fndecl_caf_team_number): add functions and definitions. + * trans-intrinsic.c (conv_caf_send, conv_intrinsic_team_number): add + new function and team_type argument support. + * trans-stmt.c (gfc_trans_form_team, gfc_trans_change_team) + (gfc_trans_end_team, gfc_trans_sync_team): add new functions. + * trans-stmt.h: add new prototypes. + * trans-types.c (gfc_get_derived_type): check condition for team_type. + * trans.c (trans_code): new exec cases for form team, change team, end + team, and sync team. + * trans.h: add new prototypes. + +2018-01-26 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/83998 + * simplify.c (compute_dot_product): Initialize result to INTEGER(1) 0 + or .false. The summation does the correct type conversion. + (gfc_simplify_dot_product): Special case zero-sized arrays. + +2018-25-01 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/37577 + * array.c (gfc_match_array_ref): If standard earlier than F2008 + it is an error if the reference dimension is greater than 7. + libgfortran.h : Increase GFC_MAX_DIMENSIONS to 15. Change the + dtype masks and shifts accordingly. + * trans-array.c (gfc_conv_descriptor_dtype): Use the dtype + type node to check the field. + (gfc_conv_descriptor_dtype): Access the rank field of dtype. + (duplicate_allocatable_coarray): Access the rank field of the + dtype descriptor rather than the dtype itself. + * trans-expr.c (get_scalar_to_descriptor_type): Store the type + of 'scalar' on entry and use its TREE_TYPE if it is ARRAY_TYPE + (ie. a character). + (gfc_conv_procedure_call): Pass TREE_OPERAND (tmp,0) to + get_scalar_to_descriptor_type if the actual expression is a + constant. + (gfc_trans_structure_assign): Assign the rank directly to the + dtype rank field. + * trans-intrinsic.c (gfc_conv_intrinsic_rank): Cast the result + to default integer kind. + (gfc_conv_intrinsic_sizeof): Obtain the element size from the + 'elem_len' field of the dtype. + * trans-io.c (gfc_build_io_library_fndecls): Replace + gfc_int4_type_node with dtype_type_node where necessary. + (transfer_namelist_element): Use gfc_get_dtype_rank_type for + scalars. + * trans-types.c : Provide 'get_dtype_type_node' to acces the + dtype_type_node and, if necessary, build it. + The maximum size of an array element is now determined by the + maximum value of size_t. + Update the description of the array descriptor, including the + type def for the dtype_type. + (gfc_get_dtype_rank_type): Build a constructor for the dtype. + Distinguish RECORD_TYPEs that are BT_DERIVED or BT_CLASS. + (gfc_get_array_descriptor_base): Change the type of the dtype + field to dtype_type_node. + (gfc_get_array_descr_info): Get the offset to the rank field of + the dtype. + * trans-types.h : Add a prototype for 'get_dtype_type_node ()'. + * trans.h : Define the indices of the dtype fields. + +2018-23-01 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83866 + * decl.c (gfc_match_derived_decl): If eos not matched, recover + and emit error about garbage after declaration. + +2018-23-01 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83898 + * trans-stmt.c (trans_associate_var): Do not set cst_array_ctor + for characters. + +2018-01-22 Janne Blomqvist <jb@gcc.gnu.org> + + PR 78534 + PR 83704 + * arith.c (gfc_arith_concat): Use size_t for string length. + (gfc_compare_string): Likewise. + (gfc_compare_with_Cstring): Likewise. + * array.c (gfc_resolve_character_array_constructor): Use + HOST_WIDE_INT, gfc_mpz_get_hwi. + * check.c (gfc_check_fe_runtime_error): Use size_t. + * data.c (create_character_initializer): Use HOST_WIDE_INT, + gfc_extract_hwi. + * decl.c (gfc_set_constant_character_len): Use gfc_charlen_t. + (add_init_expr_to_sym): Use HOST_WIDE_INT. + * expr.c (gfc_build_init_expr): Use HOST_WIDE_INT, + gfc_extract_hwi. + (gfc_apply_init): Likewise. + * match.h (gfc_set_constant_character_len): Update prototype. + * primary.c (match_string_constant): Use size_t. + * resolve.c (resolve_ordinary_assign): Use HOST_WIDE_INT, + gfc_mpz_get_hwi. + * simplify.c (init_result_expr): Likewise. + (gfc_simplify_len_trim): Use size_t. + * target-memory.c (gfc_encode_character): Use size_t. + (gfc_target_encode_expr): Use HOST_WIDE_INT, gfc_mpz_get_hwi. + (interpret_array): Use size_t. + (gfc_interpret_character): Likewise. + * target-memory.h (gfc_encode_character): Update prototype. + (gfc_interpret_character): Likewise. + (gfc_target_interpret_expr): Likewise. + * trans-const.c (gfc_build_string_const): Use size_t for length + argument. + (gfc_build_wide_string_const): Likewise. + * trans-const.h (gfc_build_string_const): Likewise. + (gfc_build_wide_string_const): Likewise. + +2018-01-20 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/83900 + * simplify.c (gfc_simplify_matmul): Set return type correctly. + +2018-01-19 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/83900 + * simplify.c (gfc_simplify_matmul): Delete bogus assertion. + +2018-01-17 Harald Anlauf <anlauf@gmx.de> + + PR fortran/83864 + * expr.c (add_init_expr_to_sym): Do not dereference NULL pointer. + +2018-01-17 Harald Anlauf <anlauf@gmx.de> + + PR fortran/83874 + * decl.c (add_init_expr_to_sym): Do not dereference NULL pointer. + +2018-01-15 Louis Krupp <louis.krupp@zoho.com> + + PR fortran/82257 + * interface.c (compare_rank): Don't try to retrieve CLASS_DATA + from symbol marked unlimited polymorphic. + * resolve.c (resolve_structure_cons): Likewise. + * misc.c (gfc_typename): Don't dereference derived->components + if it's NULL. + +2018-01-15 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/54613 + * gfortran.h (gfc_check_f): Rename f4ml to f5ml. + (gfc_logical_4_kind): New macro + * intrinsic.h (gfc_simplify_minloc): Add a gfc_expr *argument. + (gfc_simplify_maxloc): Likewise. + (gfc_resolve_maxloc): Likewise. + (gfc_resolve_minloc): Likewise. + * check.c (gfc_check_minloc_maxloc): Add checking for "back" + argument; also raise error if it is used (for now). Add it + if it isn't present. + * intrinsic.c (add_sym_4ml): Rename to + (add_sym_5ml), adjust for extra argument. + (add_functions): Add "back" constant. Adjust maxloc and minloc + for back argument. + * iresolve.c (gfc_resolve_maxloc): Add back argument. If back is + not of gfc_logical_4_kind, convert. + (gfc_resolve_minloc): Likewise. + * simplify.c (gfc_simplify_minloc): Add back argument. + (gfc_simplify_maxloc): Likewise. + * trans-intinsic.c (gfc_conv_intrinsic_minmaxloc): Rename last + argument to %VAL to ensure passing by value. + (gfc_conv_intrinsic_function): Call gfc_conv_intrinsic_minmaxloc + also for library calls. + +2018-01-13 Jerry DeLisle <jvdelisle@gcc.gnu.org> + + PR fortran/82007 + * resolve.c (resolve_transfer): Delete code looking for 'DT' + format specifiers in format strings. Set formatted to true if a + format string or format label is present. + * trans-io.c (get_dtio_proc): Likewise. (transfer_expr): Fix + whitespace. + +2018-01-13 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/83744 + * dump-parse-tree.c (get_c_type_name): Remove extra line. + Change for loop to use declaration in for loop. Handle BT_LOGICAL + and BT_CHARACTER. + (write_decl): Add where argument. Fix indentation. Replace + assert with error message. Add typename to warning + in comment. + (write_type): Adjust locus to call of write_decl. + (write_variable): Likewise. + (write_proc): Likewise. Replace assert with error message. + +2018-01-13 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/52162 + * trans-expr.c (gfc_trans_scalar_assign): Flag is_alloc_lhs if + the rhs expression is neither an elemental nor a conversion + function. + + PR fortran/83622 + * trans-array.c (is_pointer_array): Remove unconditional return + of false for -fopenmp. + +2018-01-13 Thomas Koenig <tkoenig@gcc.gnu.org> + <emsr@gcc.gnu.org> + + PR fortran/83803 + * dump-parse-tree.c (write_proc): Always emit closing parenthesis + for functions. + +2018-01-10 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/82367 + * resolve.c (resolve_allocate_expr): Check for NULL pointer. + +2018-01-10 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/83093 + * resolve.c (resolve_charlen): Check the type of cl->length + after resolution. + +2018-01-10 Janne Blomqvist <jb@gcc.gnu.org> + + PR fortran/83740 + * trans-array.c (gfc_trans_array_ctor_element): Fix formatting. + +2018-01-10 Janne Blomqvist <jb@gcc.gnu.org> + + PR fortran/83740 + * trans-array.c (gfc_trans_array_ctor_element): Convert RHS to the + LHS type when assigning. + +2018-01-09 Steven G. Kargl <kargl@gcc.gnu.org> + + PR fortran/83742 + * expr.c (gfc_is_simply_contiguous): Check for NULL pointer. + +2018-01-08 Steven G. Kargl <kargl@gcc.gnu.org> + + * match.c (gfc_match_allocate): Check for NULL pointer. + +2018-01-08 Steven G. Kargl <kargl@gcc.gnu.org> + + * expr.c (gfc_check_pointer_assign): Fix typo in comment. + +2018-01-08 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83611 + * decl.c (gfc_get_pdt_instance): If parameterized arrays have + an initializer, convert the kind parameters and add to the + component if the instance. + * trans-array.c (structure_alloc_comps): Add 'is_pdt_type' and + use it with case COPY_ALLOC_COMP. Call 'duplicate_allocatable' + for parameterized arrays. Clean up typos in comments. Convert + parameterized array initializers and copy into the array. + * trans-expr.c (gfc_trans_scalar_assign): Do a deep copy for + parameterized types. + *trans-stmt.c (trans_associate_var): Deallocate associate vars + as necessary, when they are PDT function results for example. + + PR fortran/83731 + * trans-array.c (structure_alloc_comps): Only compare len parms + when they are declared explicitly. + +2018-01-06 Janne Blomqvist <jb@gcc.gnu.org> + + PR fortran/50892 + * trans-expr.c (gfc_trans_pointer_assignment): fold_convert rhs to + lhs type. + +2018-01-05 Janne Blomqvist <jb@gcc.gnu.org> + + PR fortran/78534 + PR fortran/66310 + * array.c (got_charlen): Use gfc_charlen_int_kind. + * class.c (gfc_find_derived_vtab): Use gfc_size_kind instead of + hardcoded kind. + (find_intrinsic_vtab): Likewise. + * decl.c (match_char_length): Use gfc_charlen_int_kind. + (add_init_expr_to_sym): Use gfc_charlen_t and gfc_charlen_int_kind. + (gfc_match_implicit): Use gfc_charlen_int_kind. + * dump-parse-tree.c (show_char_const): Use gfc_charlen_t and size_t. + (show_expr): Use HOST_WIDE_INT_PRINT_DEC. + * expr.c (gfc_get_character_expr): Length parameter of type + gfc_charlen_t. + (gfc_get_int_expr): Value argument of type HOST_WIDE_INT. + (gfc_extract_hwi): New function. + (simplify_const_ref): Make string_len of type gfc_charlen_t. + (gfc_simplify_expr): Use HOST_WIDE_INT for substring refs. + * frontend-passes.c (optimize_trim): Use gfc_charlen_int_kind. + * gfortran.h (gfc_mpz_get_hwi): New prototype. + (gfc_mpz_set_hwi): Likewise. + (gfc_charlen_t): New typedef. + (gfc_expr): Use gfc_charlen_t for character lengths. + (gfc_size_kind): New extern variable. + (gfc_extract_hwi): New prototype. + (gfc_get_character_expr): Use gfc_charlen_t for character length. + (gfc_get_int_expr): Use HOST_WIDE_INT type for value argument. + * gfortran.texi: Update description of hidden string length argument. + * iresolve.c (check_charlen_present): Use gfc_charlen_int_kind. + (gfc_resolve_char_achar): Likewise. + (gfc_resolve_repeat): Pass string length directly without + temporary, use gfc_charlen_int_kind. + (gfc_resolve_transfer): Use gfc_charlen_int_kind. + * match.c (select_intrinsic_set_tmp): Use HOST_WIDE_INT for charlen. + * misc.c (gfc_mpz_get_hwi): New function. + (gfc_mpz_set_hwi): New function. + * module.c (atom_int): Change type from int to HOST_WIDE_INT. + (parse_integer): Don't complain about large integers. + (write_atom): Use HOST_WIDE_INT for integers. + (mio_integer): Handle integer type mismatch. + (mio_hwi): New function. + (mio_intrinsic_op): Use HOST_WIDE_INT. + (mio_array_ref): Likewise. + (mio_expr): Likewise. + * primary.c (match_substring): Use gfc_charlen_int_kind. + * resolve.c (resolve_substring_charlen): Use gfc_charlen_int_kind. + (resolve_character_operator): Likewise. + (resolve_assoc_var): Likewise. + (resolve_select_type): Use HOST_WIDE_INT for charlen, use snprintf. + (resolve_charlen): Use mpz_sgn to determine sign. + * simplify.c (gfc_simplify_repeat): Use HOST_WIDE_INT/gfc_charlen_t + instead of long. + * symbol.c (generate_isocbinding_symbol): Use gfc_charlen_int_kind. + * target-memory.c (size_character): Length argument of type + gfc_charlen_t. + (gfc_encode_character): Likewise. + (gfc_interpret_character): Use gfc_charlen_t. + * target-memory.h (gfc_encode_character): Modify prototype. + * trans-array.c (gfc_trans_array_ctor_element): Use existing type. + (get_array_ctor_var_strlen): Use gfc_conv_mpz_to_tree_type. + (trans_array_constructor): Use existing type. + (get_array_charlen): Likewise. + * trans-const.c (gfc_conv_mpz_to_tree_type): New function. + * trans-const.h (gfc_conv_mpz_to_tree_type): New prototype. + * trans-decl.c (gfc_trans_deferred_vars): Use existing type. + (add_argument_checking): Likewise. + * trans-expr.c (gfc_class_len_or_zero_get): Build const of type + gfc_charlen_type_node. + (gfc_conv_intrinsic_to_class): Use gfc_charlen_int_kind instead of + 4, fold_convert to correct type. + (gfc_conv_class_to_class): Build const of type size_type_node for + size. + (gfc_copy_class_to_class): Likewise. + (gfc_conv_string_length): Use same type in expression. + (gfc_conv_substring): Likewise, use HOST_WIDE_INT for charlen. + (gfc_conv_string_tmp): Make sure len is of the right type. + (gfc_conv_concat_op): Use same type in expression. + (gfc_conv_procedure_call): Likewise. + (fill_with_spaces): Comment out memset() block due to spurious + -Wstringop-overflow warnings. + (gfc_trans_string_copy): Use gfc_charlen_type_node. + (alloc_scalar_allocatable_for_subcomponent_assignment): + fold_convert to right type. + (gfc_trans_subcomponent_assign): Likewise. + (trans_class_vptr_len_assignment): Build const of correct type. + (gfc_trans_pointer_assignment): Likewise. + (alloc_scalar_allocatable_for_assignment): fold_convert to right + type in expr. + (trans_class_assignment): Build const of correct type. + * trans-intrinsic.c (gfc_conv_associated): Likewise. + (gfc_conv_intrinsic_repeat): Do calculation in sizetype. + * trans-io.c (gfc_build_io_library_fndecls): Use + gfc_charlen_type_node for character lengths. + (set_string): Convert to right type in assignment. + * trans-stmt.c (gfc_trans_label_assign): Build const of + gfc_charlen_type_node. + (trans_associate_var): Likewise. + (gfc_trans_character_select): Likewise. + (gfc_trans_allocate): Likewise, don't typecast strlen result. + (gfc_trans_deallocate): Don't typecast strlen result. + * trans-types.c (gfc_size_kind): New variable. + (gfc_init_types): Determine gfc_charlen_int_kind and gfc_size_kind + from size_type_node. + * trans-types.h: Fix comment. + +2018-01-04 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/83683 + PR fortran/45689 + * check.c (gfc_check_eoshift): Check for string length and + for conformance of boundary. + * intrinsic.c (add_functions): Add gfc_simplify_eoshift. + * intrinsic.h: Add prototype for gfc_simplify_eoshift. + * simplify.c (gfc_simplify_eoshift): New function. + +2018-01-03 Richard Sandiford <richard.sandiford@linaro.org> + Alan Hayward <alan.hayward@arm.com> + David Sherwood <david.sherwood@arm.com> + + * trans-types.c (gfc_type_for_mode): Handle MODE_VECTOR_BOOL. + +2018-01-03 Richard Sandiford <richard.sandiford@linaro.org> + Alan Hayward <alan.hayward@arm.com> + David Sherwood <david.sherwood@arm.com> + + * trans-types.c (gfc_type_for_mode): Check valid_vector_subparts_p. + +2018-01-03 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/83664 + * check.c (gfc_check_eoshift): Error for missing boundary if array + is not one of the standard types. + +2018-01-03 Jakub Jelinek <jakub@redhat.com> + + Update copyright years. + + * gfortranspec.c (lang_specific_driver): Update copyright notice + dates. + * gfc-internals.texi: Bump @copying's copyright year. + * gfortran.texi: Ditto. + * intrinsic.texi: Ditto. + * invoke.texi: Ditto. + +2017-01-02 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/45689 + * intrinsic.c (add_function): Add gfc_simplify_maxloc and + gfc_simplify_minloc to maxloc and minloc, respectively. + * intrinsic.h: Add prototypes for gfc_simplify_minloc + and gfc_simplify_maxloc. + * simplify.c (min_max_chose): Adjust prototype. Modify function + to have a return value which indicates if the extremum was found. + (is_constant_array_expr): Fix typo in comment. + (simplify_minmaxloc_to_scalar): New function. + (simplify_minmaxloc_nodim): New function. + (new_array): New function. + (simplify_minmaxloc_to_array): New function. + (gfc_simplify_minmaxloc): New function. + (simplify_minloc): New function. + (simplify_maxloc): New function. + +2018-01-02 Thomas Koenig <tkoenig@gcc.gnu.org> + + PR fortran/45689 + PR fortran/83650 + * simplify.c (gfc_simplify_cshift): Re-implement to allow full + range of arguments. + +2018-01-01 Paul Thomas <pault@gcc.gnu.org> + + PR fortran/83076 + * resolve.c (resolve_fl_derived0): Add caf_token fields for + allocatable and pointer scalars, when -fcoarray selected. + * trans-types.c (gfc_copy_dt_decls_ifequal): Copy the token + field as well as the backend_decl. + (gfc_get_derived_type): Flag GFC_FCOARRAY_LIB for module + derived types that are not vtypes. Components with caf_token + attribute are pvoid types. For a component requiring it, find + the caf_token field and have the component token field point to + its backend_decl. + + PR fortran/83319 + *trans-types.c (gfc_get_array_descriptor_base): Add the token + field to the descriptor even when codimen not set. + +Copyright (C) 2018 Free Software Foundation, Inc. + +Copying and distribution of this file, with or without modification, +are permitted in any medium without royalty provided the copyright +notice and this notice are preserved.