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.

Since Graal is gone I don't think it's possible to run those tests any more.  It might be possible to run those tests on some source base after https://bugs.openjdk.java.net/browse/JDK-8219403 when adjustCompilationLevel was removed.

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