re PR testsuite/33082 (Revision 127491 causes FAIL: gcc.dg/dfp/convert-bfp-fold.c (test for excess errors))

	PR testsuite/33082
	* gcc.dg/dfp/convert-dfp-fold.c: Use -O2 instead of -O in dg-options.
	* gcc.dg/dfp/convert-bfp-fold.c: Ditto.
	* gcc.dg/dfp/convert-int-fold.c: Ditto.
	* gcc.dg/dfp/operator-arith-fold.c: Ditto.

From-SVN: r127565