builtins.c: Include langhooks.h.

builtins.c: Include langhooks.h.

	* builtins.c: Include langhooks.h.
	(lang_type_promotes_to): Remove.
	(expand_builtin_va_arg): Use new hook.
	* c-common.c (c_common_nodes_and_builtins): Don't set hook.
	(simple_type_promotes_to): Move to c-typeck.c.
	* c-common.h (simple_type_promotes_to): Remove.
	* c-decl.c (duplicate_decls, grokdeclarator): Update.
	* c-format.c: Include langhooks.h.
	(check_format_types): Update.
	* c-tree.h (c_type_promotes_to): New.
	* c-typeck.c (c_type_promotes_to): Move from c-common.c.
	(type_lists_compatible_p): Update.
	* langhooks-def.h (lhd_type_promotes_to): New.
	(LANG_HOOKS_TYPE_PROMOTES_TO): New.
	(LANG_HOOKS_FOR_TYPES_INITIALIZER): Update.
	* langhooks.c (lhd_type_promotes_to): New.
	* langhooks.h (struct lang_hooks_for_types): New hook.
	* tree.h (lang_type_promotes_to): Remove.
cp:
	* call.c (convert_type_from_ellipsis): Rename, update.
	* cp-lang.c (LANG_HOOKS_TYPE_PROMOTES_TO): Redefine.
	* cp-tree.h (convert_type_from_ellipsis): Rename.
	* decl.c (cxx_init_decl_processing): Don't set hook.
objc:
	* objc-lang.c (LANG_HOOKS_TYPE_PROMOTES_TO): Redefine.

From-SVN: r52512