https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79058
--- Comment #27 from Vladimir Makarov <vmakarov at gcc dot gnu.org> --- (In reply to Vladimir Makarov from comment #26) > (In reply to Dominik Vogt from comment #24) > > While you're at it ... does it have the same or a similar cause as the Avr > > bug? > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78883 > > > > (A HImode quantity got allocated to r31+r32 (r31 is the last hardreg), in > > presence of a paradoxical subreg of memory.) > > It might be. Sorry, I was wrong. The problem is still present for AVR. I'll look at the AVR PR. It seems an IRA problem too.