Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/attr-copy.c @ 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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/* PR middle-end/81824 - Warn for missing attributes with function aliases Exercise error handling for attribute copy. { dg-do compile } { dg-require-alias "" } { dg-options "-O2 -Wall" } */ #define ATTR(list) __attribute__ (list) /* Verify incorrect numbers of arguments. */ ATTR ((copy)) void fno_args (void); /* { dg-error "wrong number of arguments specified for .copy. attribute" } */ ATTR ((copy ())) void fno_args2 (void); /* { dg-error "wrong number of arguments specified for .copy. attribute" } */ ATTR ((copy (fno_args, fno_args))) void fmlti_args (void); /* { dg-error "wrong number of arguments specified for .copy. attribute" } */ /* Verify that referencing an undeclared symbol is rejected with an error. */ ATTR ((copy (foobar))) /* { dg-error ".foobar. undeclared" } */ void fundeclared (void); /* Verify that using a string argument triggers a descriptive error (given attributes like alias and weakref using a string is a likely mistake). */ ATTR ((copy ("foobar"))) void fstring (void); /* { dg-error ".copy. attribute argument cannot be a string" } */ /* Ditto for an integer. */ ATTR ((copy (123))) void fnumber (void); /* { dg-error ".copy. attribute argument cannot be a constant arithmetic expression" } */