https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92588
--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to Richard Biener from comment #2) > AFAIU this is just a warning that we fail to "free" some GC memory? It looks to me like this. Btw. I can't reproduce that on current master right now.