2014-05-23  Richard Biener  <rguenther@suse.de>

	PR testsuite/61266
	* gcc.dg/Wstrict-overflow-18.c: Revert un-XFAILing and
	adjust testcase to reflect reality.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210846 138bc75d-0d04-0410-961f-82ee72b054a4