https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62313
François Dumont <fdumont at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED Assignee|unassigned at gcc dot gnu.org |fdumont at gcc dot gnu.org --- Comment #10 from François Dumont <fdumont at gcc dot gnu.org> --- Created attachment 33543 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33543&action=edit Race condition patch Hi Dmitry, could you have a try with this patch to confirm that it is fixing the bug. It is a patch against libstdc++ trunk. Thanks