http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51376
--- Comment #4 from Alan Modra <amodra at gcc dot gnu.org> 2013-01-22 11:41:56 UTC --- Author: amodra Date: Tue Jan 22 11:41:53 2013 New Revision: 195370 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195370 Log: PR libgomp/51376 PR libgomp/56073 * task.c (GOMP_task): Revert 2011-12-09 change. (GOMP_taskwait): Likewise. Instead use atomic load with acquire barrier to read task->children.. (gomp_barrier_handle_tasks): ..and matching atomic store with release barrier here when setting parent->children to NULL. Modified: trunk/libgomp/ChangeLog trunk/libgomp/task.c