Follow Jordan's advice and use {{^}} and {{$}} for this test

This is a better way of ensuring that we match the output of the
rewriter and not the CHECK line.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179308 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed