Fixed transfer function for casts to always evaluate the effects of the cast's subexpression even if the cast itself has no effect.
Fixed transfer function for casts to always evaluate the effects of the
cast's subexpression even if the cast itself has no effect.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@47335 91177308-0d34-0410-b5e6-96231b3b80d8

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