gcc/
	PR rtl-optimization/89313
	* function.c (matching_constraint_num): New static function.
	(match_asm_constraints_1): Use it.  Fixup white space and comment.
	Don't replace inputs with non-matching constraints which conflict
	with early clobber outputs.

gcc/testsuite/
	PR rtl-optimization/89313
	* gcc.dg/pr89313.c: New test.

From-SVN: r269969