* Makefile.in (fold-const.o, stor-layout.o, stmt.o,

	* Makefile.in (fold-const.o, stor-layout.o, stmt.o,
	sdbout.o, profile.o): Update.
	* c-common.c (c_common_nodes_and_builtins): Use pushdecl
	langhook.
	* c-common.h (gettags): Move here from tree.h.
	* c-tree.h (pushdecl, pushlevel, poplevel, set_block,
	insert_block, getdecls, kept_level_p, global_bindings_p): New.
	* dbxout.c (dbxout_init): Use getdecls langhook.
	* expr.c (expand_expr): Use insert_block langhook.
	* fold-const.c: Include langhooks.h.
	(fold_range_test, fold_binary_op_with_conditional_arg,
	fold): Use global_bindings_p langhook.
	* integrate.c (expand_inline_function): Use insert_block langhook.
	* langhooks-def.h (LANG_HOOKS_DECLS, LANG_HOOKS_PUSHLEVEL,
	LANG_HOOKS_POPLEVEL, LANG_HOOKS_GLOBAL_BINDINGS_P,
	LANG_HOOKS_INSERT_BLOCK, LANG_HOOKS_SET_BLOCK, LANG_HOOKS_PUSHDECL,
	LANG_HOOKS_GETDECLS): New.
	(LANG_HOOKS_INITIALIZER): Update.
	* langhooks.c (lhd_clear_binding_stack): Use global_bindings_p
	langhook.
	* langhooks.h (struct lang_hooks_for_decls): New.
	(struct lang_hooks): Update.
	* profile.c: Include langhooks.h.
	(output_func_start_profiler): Use new langhooks.
	* sdbout.c: Include langhooks.h.
	(sdbout_init, sdbout_finish): Use getdecls langhook.
	* stmt.c: Include langhooks.h.
	(expand_fixup, fixup_gotos): Use new langhooks.
	* stor-layout.c: Include langhooks.h.
	(variable_size): Use global_bindings_p langhook.
	* toplev.c (compile_file): Use getdecls langhook.
	* tree-inline.c (remap_block): Use insert_block langhook.
	* tree.h (pushdecl, pushlevel, poplevel, set_block, gettags,
	insert_block, getdecls, kept_level_p, global_bindings_p): Remove.
cp:
	* cp-tree.h (pushdecl, pushlevel, poplevel, set_block,
	insert_block, getdecls, global_bindings_p): New.
java:
	* cp-tree.h (pushdecl, pushlevel, poplevel, set_block,
	insert_block, getdecls, kept_level_p, global_bindings_p): New.
f:
	* cp-tree.h (pushdecl, pushlevel, poplevel, set_block,
	insert_block, getdecls, global_bindings_p): New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51136 138bc75d-0d04-0410-961f-82ee72b054a4