[jdk17u-dev] RFR: 8278627: Shenandoah: TestHeapDump test failed [v2]

[Zhengyu Gu]

> I would like to backport this patch to 17u, it fixes a potential fatal crash during heap dump.
> 
> The original patch does not apply cleanly, due to context differences, e.g. JDK-8273559 and JDK-8268368 do not in 17u.
> 
> Test:
> - [x] hotspot_gc_shenandoah

Zhengyu Gu has updated the pull request incrementally with one additional commit since the last revision:

  Aleksey's comment

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Changes:
  - all: https://git.openjdk.java.net/jdk17u-dev/pull/58/files
  - new: https://git.openjdk.java.net/jdk17u-dev/pull/58/files/a006bd10..e370b465

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=58&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=58&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk17u-dev/pull/58.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u-dev pull/58/head:pull/58

PR: https://git.openjdk.java.net/jdk17u-dev/pull/58