git: openjdk/jdk23u: master: 8334482: Shenandoah: Deadlock when safepoint is pending during nmethods iteration

[Aleksey Shipilev]

Changeset: d07767c6
Branch: master
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2024-07-31 14:48:32 +0000
URL:       https://git.openjdk.org/jdk23u/commit/d07767c6c9689505f404af31e9eea1d0a44bea82

8334482: Shenandoah: Deadlock when safepoint is pending during nmethods iteration

Backport-of: 2aeb12ec03944c777d617d0be48982fd225b16e7

! src/hotspot/share/gc/shenandoah/shenandoahCodeRoots.cpp
! src/hotspot/share/gc/shenandoah/shenandoahConcurrentGC.cpp
! src/hotspot/share/gc/shenandoah/shenandoahNMethod.cpp
! src/hotspot/share/gc/shenandoah/shenandoahNMethod.hpp