--- a/gcc/debug.h	Fri Oct 27 22:46:09 2017 +0900
+++ b/gcc/debug.h	Thu Oct 25 07:37:49 2018 +0900
@@ -1,5 +1,5 @@
 /* Debug hooks for GCC.
-   Copyright (C) 2001-2017 Free Software Foundation, Inc.
+   Copyright (C) 2001-2018 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the
@@ -176,6 +176,9 @@
   /* Called from final_scan_insn for any NOTE_INSN_VAR_LOCATION note.  */
   void (* var_location) (rtx_insn *);
 
+  /* Called from final_scan_insn for any NOTE_INSN_INLINE_ENTRY note.  */
+  void (* inline_entry) (tree block);
+
   /* Called from finalize_size_functions for size functions so that their body
      can be encoded in the debug info to describe the layout of variable-length
      structures.  */
@@ -228,7 +231,6 @@
 /* Hooks for various debug formats.  */
 extern const struct gcc_debug_hooks do_nothing_debug_hooks;
 extern const struct gcc_debug_hooks dbx_debug_hooks;
-extern const struct gcc_debug_hooks sdb_debug_hooks;
 extern const struct gcc_debug_hooks xcoff_debug_hooks;
 extern const struct gcc_debug_hooks dwarf2_debug_hooks;
 extern const struct gcc_debug_hooks dwarf2_lineno_debug_hooks;
@@ -242,18 +244,31 @@
 extern void dwarf2out_vms_begin_epilogue (unsigned int, const char *);
 extern void dwarf2out_end_epilogue (unsigned int, const char *);
 extern void dwarf2out_frame_finish (void);
-/* Decide whether we want to emit frame unwind information for the current
-   translation unit.  */
+extern bool dwarf2out_do_eh_frame (void);
 extern bool dwarf2out_do_frame (void);
 extern bool dwarf2out_do_cfi_asm (void);
 extern void dwarf2out_switch_text_section (void);
-
-const char *remap_debug_filename (const char *);
-void add_debug_prefix_map (const char *);
+extern bool dwarf2out_default_as_loc_support (void);
+extern bool dwarf2out_default_as_locview_support (void);
 
 /* For -fdump-go-spec.  */
 
 extern const struct gcc_debug_hooks *
 dump_go_spec_init (const char *, const struct gcc_debug_hooks *);
 
+/* Instance discriminator mapping table.  See final.c.  */
+typedef hash_map<const_tree, int> decl_to_instance_map_t;
+extern decl_to_instance_map_t *decl_to_instance_map;
+
+/* Allocate decl_to_instance_map with COUNT slots to begin wtih, if it
+ * hasn't been allocated yet.  */
+
+static inline decl_to_instance_map_t *
+maybe_create_decl_to_instance_map (int count = 13)
+{
+  if (!decl_to_instance_map)
+    decl_to_instance_map = new decl_to_instance_map_t (count);
+  return decl_to_instance_map;
+}
+
 #endif /* !GCC_DEBUG_H  */