/usr/src/gcc-4.4/debian/source.lintian-overrides.in is in gcc-4.4-source 4.4.7-8ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | @SRC@: invalid-arch-string-in-source-relation
@SRC@: quilt-build-dep-but-no-series-file
|