[jdk21u] RFR: 8299614: Shenandoah: STW mark should keep nmethod/oops referenced from stack chunk alive

[Aleksey Shipilev]

On Fri, 15 Sep 2023 08:13:31 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Clean backport to improve Shenandoah reliability.

Testing is clean. Push approval granted.

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PR Comment: https://git.openjdk.org/jdk21u/pull/163#issuecomment-1724949835