Return the new state from local analysis in flow-engine.

src/hydrogen-flow-engine.h

Index: src/hydrogen-flow-engine.h
diff --git a/src/hydrogen-flow-engine.h b/src/hydrogen-flow-engine.h
index 8b836d2340fe2ca7790274cd19cfa82ad549bc62..dfe43ec6c3ba94b3c38ee2aa2fb4c561ea390919 100644
--- a/src/hydrogen-flow-engine.h
+++ b/src/hydrogen-flow-engine.h
@@ -107,7 +107,7 @@ class HFlowEngine {
     for (HInstructionIterator it(block); !it.Done(); it.Advance()) {
       state = state->Process(it.Current(), zone_);
     }
-    return StateAt(block);
+    return state;
   }
 
   // Global analysis. Iterates over all blocks that are dominated by the given