/usr/lib/clang/3.8/include is in libclang-common-3.8-dev 1:3.8-2ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/clang/3.8/../../llvm-3.8/lib/clang/3.8.0/include
/usr/lib/clang/3.8/../../llvm-3.8/lib/clang/3.8.0/include