Bug ID: JDK-8288129 Shenandoah: Skynet test crashed with iu + aggressive

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JDK 20
20 b16Fixed

#
# A fatal error has been detected by the Java Runtime Environment:
#
#  Internal Error (/home/zgu/ws/jdk/src/hotspot/share/gc/shenandoah/shenandoahHeap.inline.hpp:126), pid=37776, tid=37792
#  Error: Shenandoah assert_forwarded failed; Object should be forwarded

Referenced from:
  interior location: 0x0000000614a00028
  inside Java heap
    not in collection set
  region: |    4|R  |BTE    614a00000,    614c00000,    614c00000|TAMS    614a00000|UWM    614c00000|U  2048K|T  2048K|G     0B|S     0B|L  2048K|CP   0

Object:
  0x000000061660bd90 - klass 0x0000000800036a38 jdk.internal.vm.StackChunk
    not allocated after mark start
    not after update watermark
    not marked strong
    not marked weak
        in collection set
  mark: mark(is_neutral no_hash age=0)
  region: |   18|CS |BTE    616600000,    616800000,    616800000|TAMS    616800000|UWM    616800000|U  2048K|T  2048K|G     0B|S     0B|L 52624B|CP   0

Forwardee:
  (the object itself)

Changeset: 84d7ff64 Author: Ashutosh Mehra <asmehra@redhat.com> Committer: Andrew Dinn <adinn@openjdk.org> Date: 2022-09-21 14:28:02 +0000 URL: https://git.openjdk.org/jdk/commit/84d7ff64d86388cc60cd8257b7b1fb5a6e8c6804
21-09-2022
A pull request was submitted for review. URL: https://git.openjdk.org/jdk/pull/10089 Date: 2022-08-30 23:40:32 +0000
31-08-2022
A pull request was submitted for review. URL: https://git.openjdk.org/jdk/pull/9982 Date: 2022-08-23 15:05:48 +0000
23-08-2022
A pull request was submitted for review. URL: https://git.openjdk.org/jdk/pull/9494 Date: 2022-07-14 13:54:35 +0000
14-07-2022

Blocks :	JDK-8288139 - JavaThread touches oop after GC barrier is detached
Blocks :	JDK-8287227 - Shenandoah: A couple of virtual thread tests failed with iu mode even without Loom enabled.
Relates :	JDK-8290250 - Shenandoah: disable Loom for iu mode