--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/ObjectEqualsNode.java	Wed Oct 09 19:38:11 2019 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/calc/ObjectEqualsNode.java	Wed Oct 09 21:53:48 2019 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, Oracle and/or its affiliates. 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
@@ -39,10 +39,13 @@
 import org.graalvm.compiler.nodes.NodeView;
 import org.graalvm.compiler.nodes.StructuredGraph;
 import org.graalvm.compiler.nodes.ValueNode;
+import org.graalvm.compiler.nodes.extended.BoxNode;
 import org.graalvm.compiler.nodes.extended.GetClassNode;
+import org.graalvm.compiler.nodes.java.AbstractNewObjectNode;
 import org.graalvm.compiler.nodes.java.InstanceOfNode;
 import org.graalvm.compiler.nodes.spi.Virtualizable;
 import org.graalvm.compiler.nodes.spi.VirtualizerTool;
+import org.graalvm.compiler.nodes.virtual.AllocatedObjectNode;
 import org.graalvm.compiler.nodes.virtual.VirtualBoxingNode;
 import org.graalvm.compiler.nodes.virtual.VirtualObjectNode;
 import org.graalvm.compiler.options.OptionValues;
@@ -112,6 +115,11 @@
                 }
                 return LogicConstantNode.forBoolean(false);
             }
+            if (nonConstant instanceof AbstractNewObjectNode || nonConstant instanceof AllocatedObjectNode) {
+                assert !(nonConstant instanceof BoxNode); // guard against class hierarchy changes
+                // a constant can never be equals to a new object
+                return LogicConstantNode.forBoolean(false);
+            }
             return super.canonicalizeSymmetricConstant(constantReflection, metaAccess, options, smallestCompareWidth, condition, constant, nonConstant, mirrored, unorderedIsTrue, view);
         }