Add a test case to showcase a difference in #pragma pack handling compared to gcc. This is worrisome, but I believe we are doing the "correct" thing, and if I recall correctly I previously verified this versus MSVC.
Add a test case to showcase a difference in #pragma pack handling
compared to gcc. This is worrisome, but I believe we are doing the
"correct" thing, and if I recall correctly I previously verified this
versus MSVC.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@71723 91177308-0d34-0410-b5e6-96231b3b80d8

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