RFR: 8306950: [REDO] JDK-8305252 make_method_handle_intrinsic may call java code under a lock [v5]

[Ioi Lam]

On Thu, 27 Apr 2023 19:45:26 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> This change redoes the intrinsic method table change to not hold a lock while calling make_method_handle_intrinsic.  The first commit is the original patch and the second is the fix to the bug it caused.
>> The Atomic operations might not be needed.
>> Tested with tier1-7, where tests in multiple tiers were regularly failing.
>
> Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Ioi noticed that met can never be null after put-if-absent.

Marked as reviewed by iklam (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/13681#pullrequestreview-1404800256