https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77954
--- Comment #7 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to Thomas Schwinge from comment #6) > (In reply to Martin Liška from comment #4) > > Remove LTO_STREAMER_DEBUG ([...]). > > Thanks! I'm fine with that -- but you do have verified that it's really > just LTO_STREAMER_DEBUG that was broken, and not some lingering OMP/SIMD > problem? Yes, would be fixed by https://github.com/marxin/gcc/commit/978c7e3436f91f3a1e94dfb63ba79e72b4f35715