[jdk21u-dev] Integrated: 8324969: C2: prevent elimination of unbalanced coarsened locking regions

[Martin Doerr]

On Wed, 12 Jun 2024 10:19:55 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

> Backport of [JDK-8324969](https://bugs.openjdk.org/browse/JDK-8324969). Applies cleanly except `+#include "opto/locknode.hpp"` in escape.cpp which is integrated manually because of unrelated context changes.

This pull request has now been integrated.

Changeset: ea2aa9ef
Author:    Martin Doerr <mdoerr at openjdk.org>
URL:       https://git.openjdk.org/jdk21u-dev/commit/ea2aa9ef188a64693b3324bc9da2818c6264dd94
Stats:     273 lines in 9 files changed: 255 ins; 2 del; 16 mod

8324969: C2: prevent elimination of unbalanced coarsened locking regions

Backport-of: b938a5c9edd53821a52b43a8e342b76adb341a3f

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PR: https://git.openjdk.org/jdk21u-dev/pull/700