/usr/lib/clang/3.5.0/include is in libclang-common-3.5-dev 1:3.5-4ubuntu2~trusty2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/clang/3.5.0/../../llvm-3.5/lib/clang/3.5.0/include
/usr/lib/clang/3.5.0/../../llvm-3.5/lib/clang/3.5.0/include