* builtins.c (fold_builtin): Take decomposed arguments of
	CALL_EXPR.
	* fold-const.c (fold_ternary): Update a call to fold_builtin.
	* gimplify.c (gimplify_call_expr): Likewise.
	* tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
	* tree.h: Update the prototype of fold_builtin.

From-SVN: r96800