Simplify test case, so that it works for both trunk and release-5.0.
Simplify test case, so that it works for both trunk and release-5.0.

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@312038 91177308-0d34-0410-b5e6-96231b3b80d8
(cherry picked from commit f9a69ed041a6fad145a649d1df97fefd53722f3b)

apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm,apple/swift-llvm