releaseCapabilityAndQueueWorker: task->stopped should be false (#4850)

1 files changed, 5 insertions, 1 deletions

diff --git a/rts/Capability.c b/rts/Capability.c
index 82343597ed..345bd39c0f 100644
--- a/rts/Capability.c
+++ b/rts/Capability.c
@@ -456,12 +456,16 @@ releaseCapabilityAndQueueWorker (Capability* cap USED_IF_THREADS)
 
     task = cap->running_task;
 
+    // If the Task is stopped, we shouldn't be yielding, we should
+    // be just exiting.
+    ASSERT(!task->stopped);
+
     // If the current task is a worker, save it on the spare_workers
     // list of this Capability.  A worker can mark itself as stopped,
     // in which case it is not replaced on the spare_worker queue.
     // This happens when the system is shutting down (see
     // Schedule.c:workerStart()).
-    if (!isBoundTask(task) && !task->stopped)
+    if (!isBoundTask(task))
     {
         if (cap->n_spare_workers < MAX_SPARE_WORKERS)
         {