[Bug bootstrap/93548] gcc build tries to modify source tree

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93548

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jakub at gcc dot gnu.org

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 47767
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47767&action=edit
gcc10-pr93548.patch

IMHO we should use move-if-change and be happy even if gcc_update has not be
run, only require it is actually regenerated if something changed.