Fixed UninitializedValues to properly propagate uninitialized "taint" in assignment operations of the form +=, -=, *=, etc.
Fixed UninitializedValues to properly propagate uninitialized "taint"
in assignment operations of the form +=, -=, *=, etc.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@42449 91177308-0d34-0410-b5e6-96231b3b80d8

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