src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/memory/AbstractWriteNode.java

@@ -25,10 +25,11 @@
 package org.graalvm.compiler.nodes.memory;
 
 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_2;
 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1;
 
+import org.graalvm.compiler.core.common.type.Stamp;
 import org.graalvm.compiler.core.common.type.StampFactory;
 import org.graalvm.compiler.graph.Node;
 import org.graalvm.compiler.graph.NodeClass;
 import org.graalvm.compiler.nodeinfo.InputType;
 import org.graalvm.compiler.nodeinfo.NodeInfo;

@@ -88,6 +89,8 @@
     public void setLastLocationAccess(MemoryNode lla) {
         Node newLla = ValueNodeUtil.asNode(lla);
         updateUsages(lastLocationAccess, newLla);
         lastLocationAccess = newLla;
     }
+
+    public abstract Stamp getAccessStamp();
 }