builtins.c (fold_builtin_unordered_cmp): Take an EXP argument instead of both an...

builtins.c (fold_builtin_unordered_cmp): Take an EXP argument instead of both an ARGLIST and a result TYPE.

	* builtins.c (fold_builtin_unordered_cmp): Take an EXP argument
	instead of both an ARGLIST and a result TYPE.  Handle these C99
	comparison functions as "polymorphic" builtins.  Also handle
	lowering of BUILT_IN_ISUNORDERED to an UNORDERED_EXPR tree node.
	(fold_builtin_1): Update calls to fold_builtin_unordered_cmp.
	Move handling of BUILT_IN_ISUNORDERED from here to there.

From-SVN: r83404