/usr/share/lintian/overrides/gcc-8-powerpc64-linux-gnu is in gcc-8-powerpc64-linux-gnu 8-20180414-1ubuntu2cross1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | gcc-8-powerpc64-linux-gnu binary: hardening-no-pie
gcc-8-powerpc64-linux-gnu binary: binary-from-other-architecture
|