PR middle-end/32668

	* builtin-attrs.def (ATTR_TYPEGENERIC,
	ATTR_CONST_NOTHROW_TYPEGENERIC): New.

	* builtins.def (BUILT_IN_ISINF, BUILT_IN_ISNAN,
	BUILT_IN_ISGREATER, BUILT_IN_ISGREATEREQUAL, BUILT_IN_ISLESS,
	BUILT_IN_ISLESSEQUAL, BUILT_IN_ISLESSGREATER,
	BUILT_IN_ISUNORDERED): Use ATTR_CONST_NOTHROW_TYPEGENERIC.

	* c-common.c (handle_type_generic_attribute): New.
	(c_common_attribute_table): Add "type generic".

	* c-typeck.c (convert_arguments): Handle "type generic" functions.

From-SVN: r126723