--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases/src/org/graalvm/compiler/phases/tiers/MidTierContext.java	Thu Jun 27 03:10:52 2019 +0200
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases/src/org/graalvm/compiler/phases/tiers/MidTierContext.java	Thu Jun 27 03:33:44 2019 +0200
@@ -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;