RFR: 8344883: Force clients to explicitly pass mem_tag value, even if it is mtNone [v8]

[Gerard Ziemski]

On Wed, 2 Apr 2025 18:37:36 GMT, Gerard Ziemski <gziemski at openjdk.org> wrote:

>> This is a follow-up to #21843. Here we are focusing on removing the mem tag paremeter with default value of mtNone, to force everyone to provide mem tag, if known.
>> 
>> I tried to fill in tag, when I was pretty certain that I had the right type.
>> 
>> At least one more follow-up will be needed after this, to change the remaining mtNone to valid values.
>
> Gerard Ziemski has updated the pull request incrementally with one additional commit since the last revision:
> 
>   The real feedback from StefanK

I just ran MAch5 tier1-5 and from what I can see I think it passes (see the issue for more on that).

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PR Comment: https://git.openjdk.org/jdk/pull/24282#issuecomment-2773850553