--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.aarch64/src/org/graalvm/compiler/core/aarch64/AArch64ReadNode.java	Tue Sep 24 08:54:08 2019 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.aarch64/src/org/graalvm/compiler/core/aarch64/AArch64ReadNode.java	Tue Sep 24 12:47:15 2019 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2017, Red Hat Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -72,6 +72,11 @@
         gen.setResult(this, arithgen.emitExtendMemory(isSigned, readKind, resultBits, (AArch64AddressValue) gen.operand(getAddress()), gen.state(this)));
     }
 
+    @Override
+    public Stamp getAccessStamp() {
+        return accessStamp;
+    }
+
     /**
      * replace a ReadNode with an AArch64-specific variant which knows how to merge a downstream
      * zero or sign extend into the read operation.