/usr/share/doc/clang-3.9-doc/html/Block-ABI-Apple.txt is in clang-3.9-doc 1:3.9.1-19ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 | *NOTE* This document has moved to http://clang.llvm.org/docs/Block-ABI-Apple.html.
|