https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96337
--- Comment #18 from Jan Hubicka <hubicka at ucw dot cz> --- > I've just subscribed to this bug because we see bug slow downs in our project > when switching from 8.3 to 10.2 (89% slower in an important use case, 30% > slowdown more or less across the board), without any other changes. We don't > have any simple test showing this (yet), but there is definitely something > very > wrong here and I don't think it should be closed. > > FWIW in our case using -O3 doesn't help (it does make the code marginally > faster, but improvement of <0.01% is not worth 10% higher build time). We need a reproducer to fix bugs. So if you have actual testcase that slow down, it would be great to open separate bug report for that. It is best to have a self contained testcases, if that is not possible at least a perf profile and we can discuss with you what to do next. Honza
