RFR: 8310829: guarantee(!HAS_PENDING_EXCEPTION) failed in ExceptionTranslation::doit [v6]

[Doug Simon]

On Thu, 29 Jun 2023 20:06:19 GMT, Doug Simon <dnsimon at openjdk.org> wrote:

>> The VMSupport class is required for translating an exception between the HotSpot and libgraal heaps.
>> Loading it lazily can result in a loading exception, obscuring the exception being translated.
>> To avoid this, VMSupport is loaded eagerly along with the other vmClasses.
>
> Doug Simon has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains six additional commits since the last revision:
> 
>  - [skip ci] Merge remote-tracking branch 'openjdk-jdk/master' into JDK-8310829
>  - [skip ci] handle pending HotSpot exception closer to site causing exception
>  - revert to lazy loading of VMSupport
>  - each exception translation failure should trigger a JVMCI event
>  - try harder to show nested exception during exception translation
>  - resolve VMSupport at bootstrap to avoid nested exception in ExceptionTranslation::doit

I have fixed the warning on Windows: 5bb3b529d36c906ac861e5ebf1b861dbb35bfe2c

> But, please, activate GHA testing for this branch.

Isn't GHA a strict subset of or equal to tier1 mach5 testing? If so, what's the point of doing redundant testing?

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PR Comment: https://git.openjdk.org/jdk/pull/14641#issuecomment-1614746764