https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81278
--- Comment #13 from Markus Trippelsdorf <trippels at gcc dot gnu.org> --- (In reply to Martin Liška from comment #12) > (In reply to Markus Trippelsdorf from comment #11) > > Unfortunately the bisection was unsuccessful (no wonder > > given that the failure is not 100% reproducible (GC related)). > > Well, I can help you with that. Any idea which value of ggc-min-heapsize to > select in order to have it "more" bisection stable? --param ggc-min-expand=0 --param ggc-min-heapsize=0 would be best, but it will of course take ages on the unreduced testcase.