--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/LoopExitNode.java	Tue Mar 12 12:12:01 2019 -0700
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/LoopExitNode.java	Tue Mar 12 19:17:42 2019 +0100
@@ -35,6 +35,7 @@
 import org.graalvm.compiler.graph.spi.Simplifiable;
 import org.graalvm.compiler.graph.spi.SimplifierTool;
 import org.graalvm.compiler.nodeinfo.NodeInfo;
+import org.graalvm.compiler.nodes.util.GraphUtil;
 
 @NodeInfo(allowedUsageTypes = {Association}, cycles = CYCLES_0, size = SIZE_0)
 public final class LoopExitNode extends BeginStateSplitNode implements IterableNodeType, Simplifiable {
@@ -102,6 +103,15 @@
         });
     }
 
+    public void removeExit() {
+        this.removeProxies();
+        FrameState loopStateAfter = this.stateAfter();
+        graph().replaceFixedWithFixed(this, graph().add(new BeginNode()));
+        if (loopStateAfter != null) {
+            GraphUtil.tryKillUnused(loopStateAfter);
+        }
+    }
+
     @Override
     public void simplify(SimplifierTool tool) {
         Node prev = this.predecessor();