https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97936
Thomas Rodgers <rodgertq at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |REOPENED Resolution|FIXED |--- --- Comment #20 from Thomas Rodgers <rodgertq at gcc dot gnu.org> --- Solaris uses the non-futex wait/notify path. There has been a recent PR opened indicating a likely algorithmic issue with the non-futex implementation. See - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106183 I am going to re-open this issue while I investigate the new report.