[jdk20] RFR: 8298400: Virtual thread instability when stack overflows

[Richard Reingruber]

On Wed, 18 Jan 2023 22:10:09 GMT, Ron Pressler <rpressler at openjdk.org> wrote:

>> The stack overflow is detected in the native code and a pending exception is set, but it is not thrown.
>> 
>> Additionally, the stack overflow detection is changed use StackOverflow::shadow_zone_safe_limit rather than StackOverflow::stack_overflow_limit.
>
> @theRealAph says the remaining failures are a separate ScopedValue bug.

@pron pity you did not wait 5min after the second review. I wanted to add the ppc version.

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PR: https://git.openjdk.org/jdk20/pull/101