RFR: 8218885: Restore pop_frame and force_early_return functionality for Graal

[Tom Rodriguez]

On Wed, 22 Sep 2021 05:40:40 GMT, Tom Rodriguez <never at openjdk.org> wrote:

> This logic no longer seems to be necessary since the adjustCompilationLevel callback has been removed.

I guess I'm not clear how I'm supposed to use that command line to test GraalVM.  There's no JDK repository that contains both these JVMTI changes and Graal.  Are these tests that can be run in 11?  The JDK 11 repository doesn't have this change and also has adjustCompilationLevel removed so if those tests passed there it would be evidence that these changes can be removed.  cc @dougxc can you know how to test a JDK17 GraalVM using that command line?

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PR: https://git.openjdk.java.net/jdk/pull/5625