--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases/src/org/graalvm/compiler/phases/tiers/MidTierContext.java	Thu Oct 17 20:27:44 2019 +0100
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases/src/org/graalvm/compiler/phases/tiers/MidTierContext.java	Thu Oct 17 20:53:35 2019 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 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
@@ -24,13 +24,14 @@
 
 package org.graalvm.compiler.phases.tiers;
 
+import org.graalvm.compiler.nodes.spi.CoreProvidersDelegate;
 import org.graalvm.compiler.phases.OptimisticOptimizations;
 import org.graalvm.compiler.phases.util.Providers;
 
 import jdk.vm.ci.code.TargetDescription;
 import jdk.vm.ci.meta.ProfilingInfo;
 
-public class MidTierContext extends PhaseContext {
+public class MidTierContext extends CoreProvidersDelegate {
 
     private final TargetProvider target;
     private final OptimisticOptimizations optimisticOpts;