RFR: 8371965: Convert TaskQueueSuper to use Atomic<T>

[Kim Barrett]

On Tue, 18 Nov 2025 11:36:18 GMT, Ivan Walulya <iwalulya at openjdk.org> wrote:

>> Please review this change to TaskQueueSuper to use Atomic<T> rather than
>> directly applying AtomicAccess to (sometimes!) volatile members. There was
>> some sketchy stuff around TaskQueueSuper::Age. This has been cleaned up by
>> hoisting that class to namespace scope (now called TaskQueueAge) and declaring
>> a PrimitiveConversion::Translate for it.
>> 
>> Testing: mach5 tier1-5
>
> Looks good!

Thanks for reviews @walulyai and @tschatzl

-------------

PR Comment: https://git.openjdk.org/jdk/pull/28347#issuecomment-3560529041