Review of JEP draft

[David Holmes]

Hi Julian,

On 17/03/2022 10:19 pm, Julian Waters wrote:
> Hi everyone,
> 
> If you don't mind a little reading, can I get a review of the following JEP
> draft at
> https://bugs.openjdk.java.net/projects/JDK/issues/JDK-8283291?filter=allissues&orderby=created+DESC%2C+priority+DESC%2C+updated+DESC?
> Apologies if this is not the proper way to submit a JEP, I'm a little new
> to this.

The bar is set very, very high, for introducing new bytecodes and 
consequently running out of them has not been a problem in practice. The 
reason the bar has been set so high is because the impact of a new 
bytecode on the whole Java ecosystem is enormous. Numerous new features 
have considered the possibility of adding a new bytecode, but very few 
have actually done so, instead flexible mechanisms like invokeDynamic, 
were introduced, that could then be used to implement a range of other 
features.

If we had almost no spare bytecodes left, and we regularly added new 
bytecodes, then this would be a problem that needs solving. But as it 
stands I don't see a real problem that needs solving here.

YMMV.

Cheers,
David

> Have a great day!
> 
> best regards,
> Julian