Rewrite the test to not require asserts.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@221284 91177308-0d34-0410-b5e6-96231b3b80d8
Since the file has both ppc and ppc64 tests in it rename it.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@221285 91177308-0d34-0410-b5e6-96231b3b80d8