./:	* targhooks.c (default_builtin_vectorized_function): Change fn
	parameter to unsigned int.
	(default_builtin_vectorized_conversion): Change code parameter to
	unsigned int.
	(default_builtin_reciprocal): Change fn parameter to unsigned int.
	* targhooks.h: Update declarations.
	* config/rs6000/rs6000.c (rs6000_builtin_conversion): Change code
	parameter to unsigned int.

	* c-typeck.c (comptypes_check_enum_int): New static function.
	(comptypes_internal): Add enum_and_int_p parameter.  Change all
	callers.
	(comp_target_types): Add location parameter.  Change all callers.
	(tagged_types_tu_compatible_p): Add enum_and_int_p parameter.
	Change all callers.
	(function_types_compatible_p, type_lists_compatible_p): Likewise.
	(build_conditional_expr): Add colon_loc parameter.  Change all
	callers.
	(convert_for_assignment): Add location parameter.  Change all
	callers.
	* c-parser.c (c_parser_conditional_expression): Pass location of
	colon to build_conditional_expr.
	* c-tree.h (build_conditional_expr): Update declaration.
objc/:
	* objc-act.c (objc_gimplify_expr): Change return type to int.
	* objc-act.h: Update declaration.
testsuite/:
	* gcc.dg/Wcxx-compat-12.c: New testcase.

From-SVN: r148325