git: openjdk/jdk-sandbox: shen-late-barriers: Fix weak reference barrier in AArch64

[duke]

Changeset: ac980a66
Branch: shen-late-barriers
Author:    Cesar Soares <dcsl at amazon.com>
Date:      2025-11-14 13:24:39 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/ac980a66ea045c83b90412b624a6f60c4b2782df

Fix weak reference barrier in AArch64

! src/hotspot/cpu/aarch64/gc/shenandoah/shenandoahBarrierSetAssembler_aarch64.cpp
+ test/micro/org/openjdk/bench/vm/gc/barriers/reads/WeakRef.java