diff -r 0152ad7b38b8 -r 6df94ce3ab2f src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases.common/src/org/graalvm/compiler/phases/common/inlining/InliningUtil.java
--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases.common/src/org/graalvm/compiler/phases/common/inlining/InliningUtil.java	Tue Sep 24 08:54:08 2019 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases.common/src/org/graalvm/compiler/phases/common/inlining/InliningUtil.java	Tue Sep 24 12:47:15 2019 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 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
@@ -728,7 +728,7 @@
         FrameState stateAtReturn = invoke.stateAfter();
         FrameState outerFrameState = null;
         JavaKind invokeReturnKind = invoke.asNode().getStackKind();
-        EconomicMap<Node, Node> replacements = EconomicMap.create();
+        EconomicMap<Node, Node> replacements = EconomicMap.create(Equivalence.IDENTITY);
         for (FrameState original : inlineGraph.getNodes(FrameState.TYPE)) {
             FrameState frameState = (FrameState) duplicates.get(original);
             if (frameState != null && frameState.isAlive()) {