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gcc/: * godump.c: New file. * common.opt (fdump-go-spec=): New option. * tree.h: Add comments for TYPE_SYMTAB_ADDRESS and friends. (TYPE_SYMTAB_IS_ADDRESS, TYPE_SYMTAB_IS_POINTER): Define. (TYPE_SYMTAB_IS_DIE): Define. (struct tree_type): Change GTY for symtab field to use TYPE_SYMTAB_IS_ADDRESS and friends and to use a debug_hooks field to pick the union field. * debug.h (struct gcc_debug_hooks): Add tree_type_symtab_field. (dump_go_spec_init): Declare. * toplev.c (process_options): Handle flag_dump_go_spec. * debug.c: Include "tree.h". (do_nothing_debug_hooks): Set tree_type_symtab_field. * dwarf2out.c (dwarf2_debug_hooks): Likewise. * dbxout.c (dbx_debug_hooks): Likewise. (xcoff_debug_hooks): Likewise. * vmsdbgout.c (vmsdbg_debug_hooks): Likewise. * sdbout.c (sdb_debug_hooks): Likewise. Do not define if SDB_DEBUGGING_INFO is not defined. * doc/invoke.texi (Option Summary): Mention -fdump-go-spec. (Overall Options): Document -fdump-go-spec. * Makefile.in (OBJS-common): Add godump.o. (debug.o): Add dependency on $(TREE_H). (godump.o): New target. (GTFILES): Add $(srcdir)/godump.c. gcc/c-family/: * c-lex.c (init_c_lex): Set macro debug callbacks if flag_dump_go_spec is set. From-SVN: r166770
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