https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68260
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2016-09-06 Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> --- No, it is a tsan.c bug, which doesn't instrument __atomic_clear and __atomic_test_and_set builtins (i.e. those that operate solely on bool). Trying to implement that now.