--- old/src/hotspot/share/gc/shenandoah/shenandoahHeapRegion.cpp 2019-11-21 11:53:08.462906229 +0100 +++ new/src/hotspot/share/gc/shenandoah/shenandoahHeapRegion.cpp 2019-11-21 11:53:08.206902048 +0100 @@ -687,7 +687,7 @@ } void ShenandoahHeapRegion::record_pin() { - Atomic::add((size_t)1, &_critical_pins); + Atomic::add(&_critical_pins, (size_t)1); } void ShenandoahHeapRegion::record_unpin() {