git: openjdk/jdk21u-dev: master: 8338202: Shenandoah: Improve handshake closure labels

[Aleksey Shipilev]

Changeset: 6c1e1272
Branch: master
Author:    Satyen Subramaniam <ssubramaniam at openjdk.org>
Committer: Aleksey Shipilev <shade at openjdk.org>
Date:      2025-03-18 16:02:00 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/6c1e12726626d5bc0174d3016187c939df0a5683

8338202: Shenandoah: Improve handshake closure labels

Backport-of: ba69ed7c58fcf99ed18dfd8840125ddcac9460bb

! src/hotspot/share/gc/shenandoah/shenandoahConcurrentGC.cpp
! src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp
! src/hotspot/share/gc/shenandoah/shenandoahUnload.cpp