[jdk17u-dev] RFR: 8287227: Shenandoah: A couple of virtual thread tests failed with iu mode even without Loom enabled. [v3]

[William Kemper]

> This clean backport depends on https://github.com/openjdk/jdk17u-dev/pull/1448
> 
> Testing:
> 
> - [x] hotspot_gc_shenandoah
> - [x] dacapo
> - [x] extremem
> - [x] specjbb2015
> - [x] hyperalloc

William Kemper has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:

 - Merge jdk17u-dev/master
 - Backport 210a06a287521a554316a9052bd9fdf616c7b884
 - Merge branch 'jdk17u-master' into jdk17u-dev-8277654
 - Backport 3d39f09c6cdc875b44147b4e84e496b6abf93996

-------------

Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/1479/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/1479/files/096a7cee..2a0ddd2d

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1479&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1479&range=01-02

  Stats: 4717 lines in 147 files changed: 3374 ins; 690 del; 653 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1479.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1479/head:pull/1479

PR: https://git.openjdk.org/jdk17u-dev/pull/1479