Fix rewriter bug when function call inside block with block parameter  causes C++ compile error (radar 7651312).
Fix rewriter bug when function call inside block with block parameter 
causes C++ compile error (radar 7651312).


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@96352 91177308-0d34-0410-b5e6-96231b3b80d8

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