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 don't see any easy way to run the suggested command at the moment through mach5.  We've already pushed this change into  our JDK17 repos and once we have a snapshot GraalVM based on that I could do it, but it will probably take at least 2-3 weeks for all those bits to be promoted.
Why are we running the jck jvmti tests on this since they weren't failing originally?  The problem test list from the commit http://hg.openjdk.java.net/jdk/jdk12/rev/f5fd8eefae0f is all nsk and com.sun.jdi tests.  I ran those locally with jtreg using a GraalVM built from a patched JDK and they all passed.  Is that sufficient?

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