Subject: Backport JDK-8340186 Shenandoah: Missing load_reference_barrier_phantom_narrow match in is_shenandoah_lrb_call

---
 .../share/gc/shenandoah/c2/shenandoahBarrierSetC2.cpp        | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.cpp b/src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.cpp
index ac3afa774..da9fd5466 100644
--- a/src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.cpp
+++ b/src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, 2021, Red Hat, Inc. All rights reserved.
+ * Copyright (c) 2018, 2023, Red Hat, Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -306,7 +306,8 @@ bool ShenandoahBarrierSetC2::is_shenandoah_lrb_call(Node* call) {
          (entry_point == CAST_FROM_FN_PTR(address, ShenandoahRuntime::load_reference_barrier_strong_narrow)) ||
          (entry_point == CAST_FROM_FN_PTR(address, ShenandoahRuntime::load_reference_barrier_weak)) ||
          (entry_point == CAST_FROM_FN_PTR(address, ShenandoahRuntime::load_reference_barrier_weak_narrow)) ||
-         (entry_point == CAST_FROM_FN_PTR(address, ShenandoahRuntime::load_reference_barrier_phantom));
+         (entry_point == CAST_FROM_FN_PTR(address, ShenandoahRuntime::load_reference_barrier_phantom)) ||
+         (entry_point == CAST_FROM_FN_PTR(address, ShenandoahRuntime::load_reference_barrier_phantom_narrow));
 }
 
 bool ShenandoahBarrierSetC2::is_shenandoah_marking_if(PhaseValues* phase, Node* n) {
-- 
2.33.0