https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77541
--- Comment #4 from Vladimir Makarov <vmakarov at gcc dot gnu.org> --- (In reply to Uroš Bizjak from comment #2) > (In reply to Uroš Bizjak from comment #1) > > This is RA failure, where reload tries to fix up: > > To be clear, it is LRA pass, not reload. Yes, it is a LRA bug. I can not reproduce it with -O but I reproduced it with -O2. I am working on it. I hope to have a fix at the end of week.
