Add testcase for PR63661.

2014-11-28  Renlin Li  <renlin.li@arm.com>

	PR target/63661
	* gcc.target/i386/pr63661.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@218143 138bc75d-0d04-0410-961f-82ee72b054a4