[Bug testsuite/80221] Contrib script to rewrite testcase from absolute to relative line numbers

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80221

--- Comment #5 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom de Vries from comment #3)
> Created attachment 41058 [details]
> tested patch

tested in combination with fix for PR80220.