RFR: 8266074: Vtable-based CHA implementation

Fri Apr 30 22:12:52 UTC 2021

On Fri, 30 Apr 2021 22:03:11 GMT, Vladimir Ivanov <vlivanov at openjdk.org> wrote:

>> So only new implementation is tested with these changes in test. Got it. May be use:
>> `@requires vm.opt.final.UseVtableBasedCHA == true`
>
> I'm fine with both approaches. 
> 
> Explicitly setting the flag looked to me more robust and clearer communicating the intent. But if you prefer `@requires`, I'll use it.

Let hear @iignatev opinion.

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PR: https://git.openjdk.java.net/jdk/pull/3727