[C++] clang HEAD 6.0.0 (https://github.com/llvm-mirror/clang.git 6ac84e99d98cd9d1cd9681f954f005e60f5a6193) (https://github.com/llvm-mirror/llvm.git 59d5964ec6f0d455bc8f72d8a71ff09656e00276)