--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/graphbuilderconf/GraphBuilderContext.java	2017-11-03 23:57:15.703756335 -0700
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/graphbuilderconf/GraphBuilderContext.java	2017-11-03 23:57:15.376741702 -0700
@@ -280,7 +280,7 @@
             ObjectStamp receiverStamp = (ObjectStamp) value.stamp();
             Stamp stamp = receiverStamp.join(objectNonNull());
             FixedGuardNode fixedGuard = append(new FixedGuardNode(condition, NullCheckException, action, true));
-            ValueNode nonNullReceiver = getGraph().addOrUnique(PiNode.create(value, stamp, fixedGuard));
+            ValueNode nonNullReceiver = getGraph().addOrUniqueWithInputs(PiNode.create(value, stamp, fixedGuard));
             // TODO: Propogating the non-null into the frame state would
             // remove subsequent null-checks on the same value. However,
             // it currently causes an assertion failure when merging states.