Fix for issue 2132.

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index 9d262fc811724c985c6ddc96697c218e6daab976..872e2b7f34e14630bc0f77f92c44eabb0190b527 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -542,6 +542,10 @@ class HValue: public ZoneObject {
     // sets this flag, it must implement SetSideEffectDominator() and should
     // indicate which side effects to track by setting GVN flags.
     kTrackSideEffectDominators,
+    // This flag must be set if a phase before range analysis adds range
+    // information, so that range analysis can still assert that it cannot
+    // be run twice on any HValue.
+    kHasPreinitializedRange,
     kCanOverflow,
     kBailoutOnMinusZero,
     kCanBeDivByZero,
@@ -712,6 +716,7 @@ class HValue: public ZoneObject {
   void AddNewRange(Range* r, Zone* zone);
   void RemoveLastAddedRange();
   void ComputeInitialRange(Zone* zone);
+  void PreinitializeRange(Zone* zone);
 
   // Representation helpers.
   virtual Representation RequiredInputRepresentation(int index) = 0;