RFR: 8353365: TOUCH_ASSERT_POISON clears GetLastError() [v2]

[Kim Barrett]

On Sun, 6 Apr 2025 22:50:28 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> This is a very simple fix to save/restore the "last error" value on Windows, so that the TOUCH_ASSERT_POISON mechanism used in assert/guarantee/fatal, does not clear it.
>> 
>> Testing
>>  - new Windows-only gtest added to vmErrors test group
>>  - tiers 103 sanity
>> 
>> Thanks.
>
> David Holmes has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Adjust format specifier and remove cast

Looks good.

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Marked as reviewed by kbarrett (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/24435#pullrequestreview-2746305010