Fix frame pointer debug information test

Run the test at O1 instead of O0: ARM FastISel keeps frame pointers around and ignores the flag. The test should now pass on ARM and still passes on x86.See: http://llvm.org/bugs/show_bug.cgi?id=16322

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183999 91177308-0d34-0410-b5e6-96231b3b80d8