[jdk17u-dev] RFR: 8280087: G1: Handle out-of-mark stack situations during reference processing more gracefully [v2]

[Chuanqi Zang]

> I want backport  [JDK-8280087](https://bugs.openjdk.org/browse/JDK-8280087) to fix g1 markstack not expand problem. but this patch depend  [JDK-8307806](https://bugs.openjdk.org/browse/JDK-8307806) , so I want port this two patch together

Chuanqi Zang has updated the pull request incrementally with one additional commit since the last revision:

  [Triger]:try to triger workflow

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

Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/4261/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/4261/files/4eedf912..5169117c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=4261&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=4261&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 1 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/4261.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/4261/head:pull/4261

PR: https://git.openjdk.org/jdk17u-dev/pull/4261