src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp

rev 56289 : 8230350: Shenandoah: Assertion failed when GC is cancelled by a worker thread

@@ -1918,11 +1918,11 @@
     jbyte prev = _cancelled_gc.cmpxchg(CANCELLED, CANCELLABLE);
     if (prev == CANCELLABLE) return true;
     else if (prev == CANCELLED) return false;
     assert(ShenandoahSuspendibleWorkers, "should not get here when not using suspendible workers");
     assert(prev == NOT_CANCELLED, "must be NOT_CANCELLED");
-    {
+    if (Thread::current()->is_Java_thread()) {
       // We need to provide a safepoint here, otherwise we might
       // spin forever if a SP is pending.
       ThreadBlockInVM sp(JavaThread::current());
       SpinPause();
     }