/usr/share/lintian/overrides/libjavascript-minifier-xs-perl is in libjavascript-minifier-xs-perl 0.11-1build3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | # blhc and manual inspection suggest that all flags are passed
libjavascript-minifier-xs-perl: hardening-no-fortify-functions */JavaScript/Minifier/XS/XS.so
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