Bug fix in dead-store checker when walking the Decls in a DeclStmt: don't assume that DeclStmts only have VarDecls; they can have TypedefDecls.
Bug fix in dead-store checker when walking the Decls in a DeclStmt: don't
assume that DeclStmts only have VarDecls; they can have TypedefDecls.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@49662 91177308-0d34-0410-b5e6-96231b3b80d8

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