RFR: 8271406: Kitchensink failed with "assert(early->flag() == current->flag()) failed: Should be the same"

[Zhengyu Gu]

On Thu, 26 May 2022 18:26:39 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> There is a narrow race window if nmt baseline is executed between reserving a virtual region and setting it nmt type, that can result the assertion failure.
>> 
>> Thanks @coleenp for testing the patch, as it is an Oracle internal test.
>
> Looks good! Thank you for fixing it.

Thanks, @coleenp @dholmes-ora  and @tstuefe

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PR: https://git.openjdk.java.net/jdk/pull/8906