*** old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/LoopBeginNode.java	Mon Mar 20 17:40:29 2017
--- new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/LoopBeginNode.java	Mon Mar 20 17:40:29 2017

*** 227,238 ****
--- 227,238 ----
      public void removeExits() {
          for (LoopExitNode loopexit : loopExits().snapshot()) {
              loopexit.removeProxies();
              FrameState loopStateAfter = loopexit.stateAfter();
              graph().replaceFixedWithFixed(loopexit, graph().add(new BeginNode()));
-             if (loopStateAfter != null && loopStateAfter.isAlive() && loopStateAfter.hasNoUsages()) {
!                 GraphUtil.killWithUnusedFloatingInputs(loopStateAfter);
!                 GraphUtil.tryKillUnused(loopStateAfter);
              }
          }
      }
  
      public GuardingNode getOverflowGuard() {