llvm-4.0-dev 1:4.0.1-10 / usr / lib / llvm-4.0 / build / Release

/usr/lib/llvm-4.0/build/Release is in llvm-4.0-dev 1:4.0.1-10.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/lib/llvm-4.0/build/..