RFR: 8366101: Replace the use of ThreadTracker with ScopedValue in java.util.jar.JarFile [v2]

[Chen Liang]

On Tue, 2 Dec 2025 20:08:54 GMT, Alan Bateman <alanb at openjdk.org> wrote:

>> src/java.base/share/classes/java/util/jar/JarFile.java line 1047:
>> 
>>> 1045:                 jvInitialized = true;
>>> 1046:             }
>>> 1047:         });
>> 
>> You can consider shortening this using a lambda:
>> 
>> 
>> ScopedValue.where(IN_VERIFIER_INIT, true).run(() -> {
>>     initializeVerifier();
>>     jvInitialized = true;
>> });
>
> Yes, but I think would be prudent to run startup benchmarks if you change that.

Using a lambda is probably fine given the AOT cache can archive lambdas and avoid the bytecode generation cost.

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PR Review Comment: https://git.openjdk.org/jdk/pull/28609#discussion_r2583136671