https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120929
--- Comment #8 from Sam James <sjames at gcc dot gnu.org> --- (In reply to qinzhao from comment #5) > you mean during bootstrap gcc itself? (I didn't see such issue when > bootstrap gcc before committing my patches) It was only with certain options, not reduced which ones yet (not the default configuration), but hopefully not needed with Sergei's testcase.