Integrated: 8340183: Shenandoah: Incorrect match for clone barrier in is_gc_barrier_node

[William Kemper]

On Wed, 9 Oct 2024 19:24:05 GMT, William Kemper <wkemper at openjdk.org> wrote:

> A few commits to backport together in this PR.

This pull request has now been integrated.

Changeset: d144b7b6
Author:    William Kemper <wkemper at openjdk.org>
URL:       https://git.openjdk.org/shenandoah-jdk21u/commit/d144b7b668ecafa6c590295236ccf9f4d78f473e
Stats:     22 lines in 3 files changed: 7 ins; 9 del; 6 mod

8340183: Shenandoah: Incorrect match for clone barrier in is_gc_barrier_node
8341242: Shenandoah: LRB node is not matched as GC barrier after JDK-8340183
8340186: Shenandoah: Missing load_reference_barrier_phantom_narrow match in is_shenandoah_lrb_call

Reviewed-by: ysr
Backport-of: ea8f35b98e618bfa55371e45b3ef61fa5289dd94

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PR: https://git.openjdk.org/shenandoah-jdk21u/pull/124