git: openjdk/jdk: 8263427: Shenandoah: Trigger weak-LRB even when heap is stable

[Roman Kennke]

Changeset: 75ef6f58
Author:    Roman Kennke <rkennke at openjdk.org>
Date:      2021-03-16 14:12:42 +0000
URL:       https://git.openjdk.java.net/jdk/commit/75ef6f58

8263427: Shenandoah: Trigger weak-LRB even when heap is stable

Reviewed-by: shade, zgu

! src/hotspot/cpu/x86/gc/shenandoah/shenandoahBarrierSetAssembler_x86.cpp
! src/hotspot/share/gc/shenandoah/c1/shenandoahBarrierSetC1.cpp
! src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp
! src/hotspot/share/gc/shenandoah/shenandoahClosures.hpp
! src/hotspot/share/gc/shenandoah/shenandoahClosures.inline.hpp
! src/hotspot/share/gc/shenandoah/shenandoahConcurrentGC.cpp
! src/hotspot/share/gc/shenandoah/shenandoahConcurrentGC.hpp
! src/hotspot/share/gc/shenandoah/shenandoahFullGC.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.inline.hpp
! src/hotspot/share/gc/shenandoah/shenandoahNMethod.inline.hpp
! src/hotspot/share/gc/shenandoah/shenandoahPhaseTimings.hpp
! src/hotspot/share/gc/shenandoah/shenandoahRootVerifier.cpp
! src/hotspot/share/gc/shenandoah/shenandoahUnload.cpp
! src/hotspot/share/gc/shenandoah/shenandoahUtils.hpp
! src/hotspot/share/gc/shenandoah/shenandoahVMOperations.cpp
! src/hotspot/share/gc/shenandoah/shenandoahVMOperations.hpp
! src/hotspot/share/gc/shenandoah/shenandoahVerifier.cpp
! src/hotspot/share/gc/shenandoah/shenandoahVerifier.hpp
! src/hotspot/share/runtime/vmOperation.hpp
! test/hotspot/jtreg/gc/shenandoah/TestReferenceRefersToShenandoah.java
+ test/hotspot/jtreg/gc/shenandoah/TestReferenceShortcutCycle.java