Fix one test case faiulre in commit 303766.
Fix one test case faiulre in commit 303766.

It is clean when I build boostrap and run make checkall on my machine, I guess
it could be I only build bootstrap with assert, while the buildbots may build
without asserts, which could cause the difference.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@303786 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang