https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112506
--- Comment #2 from Iain Sandoe <iains at gcc dot gnu.org> --- is your file system "default" (i.e. case-preserving-case-insensitive) on the source code volume? If so, those fails look suspiciously similar to the ones I see - reposted in PR111627.
