[code-reflection] RFR: Bytecode locals compaction [v3]

[Adam Sotona]

On Tue, 10 Sep 2024 22:53:36 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

>> Adam Sotona has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   added comments
>
> src/java.base/share/classes/java/lang/reflect/code/bytecode/BytecodeGenerator.java line 355:
> 
>> 353:     // Some of the operations can be deferred
>> 354:     private boolean canDefer(Op op) {
>> 355:         Boolean can = deferCache.get(op);
> 
> Use `computeIfAbsent`?

Unfortunately `computeIfAbsent` throws `ConcurrentModificationException` in this case. This method is not usable when the computation causes more additions to the map.

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PR Review Comment: https://git.openjdk.org/babylon/pull/224#discussion_r1753518849