[lworld+vector] RFR: Merge lworld

[Xiaohong Gong]

On Mon, 26 Jun 2023 07:48:38 GMT, Xiaohong Gong <xgong at openjdk.org> wrote:

> > Are you still facing JTREG crashes with -Xshare:off ?
> 
> Ohh, I forgot this flag. I will rerun with it. Thanks!
> 
> > Failures are of similar kind around masked vector operations and looks like related to de-optimization.
> 
> Yes, I met the same incorrectness issue with deoptimization, and did not get the root cause yet. We can look at this issue once your patch is merged.

The jtreg crashes are gone with `-Xshare::off`.

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PR Comment: https://git.openjdk.org/valhalla/pull/866#issuecomment-1606921774