[lworld+vector] RFR: 8311610: [lworld+vector] Clean-up of vector allocation in class VectorSupport

[Jatin Bhateja]

On Fri, 7 Jul 2023 08:19:04 GMT, Xiaohong Gong <xgong at openjdk.org> wrote:

> Besides the vector api regressions, I met lots of crashes due to nullptr of the payload field. It looks like being caused by deoptmization as well, where the payload field is not allocated I guess. With the change in this PR, the crash cases increased. Do you have any idea about this?

Can you try integrating https://github.com/openjdk/valhalla/pull/884 locally and check if it resolves the crashes.

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PR Comment: https://git.openjdk.org/valhalla/pull/882#issuecomment-1627933632