https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109976
--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Ed Catmur from comment #0) > This appears to be caused by bug 109975, but I'm filing separately since it > may be possible to fix in library. Maybe we can skip some of the debug checks during constant evaluation, relying on the compiler to diagnose them anyway.