[Bug bootstrap/126875] [17 regression] Parallel make compare breaks bootstrap due to gnuism for sed

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126875

--- Comment #3 from ktkachov at gcc dot gnu.org ---
Created attachment 65336
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=65336&action=edit
Candidate patch

Can you try this patch?
If it works for you feel free to commit it. I'll be away from my machine for
the next 3 days