https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93143
--- Comment #5 from bin cheng <amker at gcc dot gnu.org> --- (In reply to Martin Sebor from comment #4) > *** Bug 92926 has been marked as a duplicate of this bug. *** I sent a patch fixing this a https://gcc.gnu.org/ml/gcc-patches/2019-12/msg00920.html The only question is if this one has already fixed by PR93033.