[C++] clang HEAD 7.0.0 (https://github.com/llvm-mirror/clang.git 3b5fc21d04df2e2c193f0f2e7e563e4b67929265) (https://github.com/llvm-mirror/llvm.git f3e8da15323a5882caeea5c2aea1e05180c5892a)