*** old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/AbstractMergeNode.java	Fri Jul  7 09:31:20 2017
--- new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/AbstractMergeNode.java	Fri Jul  7 09:31:20 2017

*** 26,36 ****
--- 26,35 ----
  import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_0;
  import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_0;
  
  import java.util.List;
  
  import org.graalvm.compiler.debug.Debug;
  import org.graalvm.compiler.graph.IterableNodeType;
  import org.graalvm.compiler.graph.Node;
  import org.graalvm.compiler.graph.NodeClass;
  import org.graalvm.compiler.graph.NodeInputList;
  import org.graalvm.compiler.graph.iterators.NodeIterable;

*** 181,191 ****
--- 180,190 ----
                      if (!(usage instanceof VirtualState) && !merge.isPhiAtMerge(usage)) {
                          return;
                      }
                  }
              }
!             getDebug().log("Split %s into ends for %s.", this, merge);
              int numEnds = this.forwardEndCount();
              for (int i = 0; i < numEnds - 1; i++) {
                  AbstractEndNode end = forwardEndAt(numEnds - 1 - i);
                  if (tool != null) {
                      tool.addToWorkList(end);