https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48181
Steven Bosscher <steven at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[4.8/4.9/5 Regression] |[4.8/4.9 Regression] wrong |wrong code with -O -fgcse |code with -O -fgcse --param |--param |ira-max-conflict-table-size |ira-max-conflict-table-size |=0 |=0 | --- Comment #10 from Steven Bosscher <steven at gcc dot gnu.org> --- Not a GCC5 regression. Disabling LRA isn't possible. Anyway, if disabling LRA would make this bug resurface then it's more likely a reload (or reload<->IRA interaction) issue than something in IRA.