RFR: 8256072: Eliminate JVMTI tagmap rehashing [v4]

[Coleen Phillimore]

On Thu, 3 Nov 2022 17:14:39 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

>> Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix has_no_hash into fast_no_hash_check().
>
> src/hotspot/share/oops/oop.hpp line 294:
> 
>> 292: 
>> 293:   // identity hash; returns the identity hash key (computes it if necessary)
>> 294:   inline bool fast_no_hash_check();
> 
> Seems like `fast_no_hash_check` ought to be later in this grouping.  The preceding comment is about `identity_hash`.

Ok, this makes sense.  Thanks.

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PR: https://git.openjdk.org/jdk/pull/10938