https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68887
vehre at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |WAITING Depends on| |70696 Assignee|unassigned at gcc dot gnu.org |vehre at gcc dot gnu.org --- Comment #14 from vehre at gcc dot gnu.org --- Now that I have a second to check what is going on: The error is fixed by the patch for 70696. The event-code in caf_single was assuming a uint32_t but allocated only a bool, which made valgrind and the instrumentation rightfully report an invalid access. I have added the dependency to 70696 to get you notified, that when the backport to gcc-6 is checked in this should be fixed on gcc-6, too. Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70696 [Bug 70696] [Coarray] ICE on EVENT POST of host-associated EVENT_TYPE coarray