PR debug/12066
* dbxout.c (dbxout_init): Use a langhook to find builtin types.
* langhooks-def.h (lhd_return_null_tree_v): New function.
(LANG_HOOKS_BUILTIN_TYPE_DECLS): New macro.
(LANG_HOOKS_DECLS): Add it to the intializer.
* langhooks.c (lhd_return_null_tree_v): New function.
* langhooks.h (lang_hooks_for_decls): Add builtin_type_decls.
PR debug/12066
* cp-lang.c (LANG_HOOKS_BUILTIN_TYPE_DECLS): Define.
* cp-tree.h (cxx_builtin_type_decls): Declare.
* decl.c (builtin_type_decls): New variables.
(cxx_builtin_type_decls): New function.
(record_builtin_type): Add to builtin_type_decls.
From-SVN: r71478
