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

*** 690,700 ****
    Atomic::add(&_critical_pins, (size_t)1);
  }
  
  void ShenandoahHeapRegion::record_unpin() {
    assert(pin_count() > 0, "Region " SIZE_FORMAT " should have non-zero pins", region_number());
!   Atomic::sub((size_t)1, &_critical_pins);
  }
  
  size_t ShenandoahHeapRegion::pin_count() const {
    return Atomic::load(&_critical_pins);
  }
--- 690,700 ----
    Atomic::add(&_critical_pins, (size_t)1);
  }
  
  void ShenandoahHeapRegion::record_unpin() {
    assert(pin_count() > 0, "Region " SIZE_FORMAT " should have non-zero pins", region_number());
!   Atomic::sub(&_critical_pins, (size_t)1);
  }
  
  size_t ShenandoahHeapRegion::pin_count() const {
    return Atomic::load(&_critical_pins);
  }