[C++] clang HEAD 6.0.0 (https://github.com/llvm-mirror/clang.git 8e9263d3f406e071eaf94cb46469962d6b17e5d8) (https://github.com/llvm-mirror/llvm.git 2ab19173fc33b173be17e6c3ed4e4b78f850fc16)