https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109080
anlauf at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2023-03-09 Status|UNCONFIRMED |WAITING Known to fail| |10.4.0, 11.3.0 Known to work| |12.2.0, 13.0 Ever confirmed|0 |1 --- Comment #1 from anlauf at gcc dot gnu.org --- This seems to have been fixed in gcc-12. I see valgrind errors with versions <= 11, but not with >= 12. Can you please update?