--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/spi/NodeLIRBuilderTool.java	2019-03-28 07:37:24.564728694 +0100
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/spi/NodeLIRBuilderTool.java	2019-03-28 07:37:24.188726185 +0100
@@ -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
@@ -28,6 +28,7 @@
 import java.util.List;
 
 import org.graalvm.compiler.core.common.cfg.BlockMap;
+import org.graalvm.compiler.core.common.spi.ForeignCallLinkage;
 import org.graalvm.compiler.core.common.type.Stamp;
 import org.graalvm.compiler.graph.Node;
 import org.graalvm.compiler.graph.NodeSourcePosition;
@@ -96,4 +97,11 @@
     }
 
     void emitReadExceptionObject(ValueNode node);
+
+    @SuppressWarnings("unused")
+    default ForeignCallLinkage lookupGraalStub(ValueNode valueNode) {
+        return null;
+    }
+
+    void matchBlock(Block b, StructuredGraph graph, StructuredGraph.ScheduleResult blockMap);
 }