[ms-inline asm] Address a FIXME by computing the number of asm statements when building the AsmString.
[ms-inline asm] Address a FIXME by computing the number of asm statements when
building the AsmString.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@161988 91177308-0d34-0410-b5e6-96231b3b80d8

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