/usr/share/lintian/overrides/libghc-hgl-dev is in libghc-hgl-dev 3.2.0.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | # HGL doesn't ship a changelog
libghc-hgl-dev binary: no-upstream-changelog
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