Remove uses of RangeCanInclude() in flooring division by power of 2.

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index c532bd5a28c3eb10d916f3d9104935c4d1acb068..2097641b131816faabd7c47251b59ea0776977cd 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -622,6 +622,7 @@ class HValue : public ZoneObject {
     kCanOverflow,
     kBailoutOnMinusZero,
     kCanBeDivByZero,
+    kLeftCanBeMinInt,
     kAllowUndefinedAsNaN,
     kIsArguments,
     kTruncatingToInt32,
@@ -855,9 +856,6 @@ class HValue : public ZoneObject {
   // TODO(svenpanne) We should really use the null object pattern here.
   bool HasRange() const { return range_ != NULL; }
   bool CanBeNegative() const { return !HasRange() || range()->CanBeNegative(); }
-  bool RangeCanInclude(int value) const {
-    return !HasRange() || range()->Includes(value);
-  }
   void AddNewRange(Range* r, Zone* zone);
   void RemoveLastAddedRange();
   void ComputeInitialRange(Zone* zone);
@@ -3765,9 +3763,6 @@ class HBinaryOperation : public HTemplateInstruction<3> {
 
   DECLARE_ABSTRACT_INSTRUCTION(BinaryOperation)
 
- protected:
-  Range* InferRangeForDiv(Zone* zone);
-
  private:
   bool IgnoreObservedOutputRepresentation(Representation current_rep);
 
@@ -4109,6 +4104,7 @@ class HMathFloorOfDiv V8_FINAL : public HBinaryOperation {
     SetFlag(kUseGVN);
     SetFlag(kCanOverflow);
     SetFlag(kCanBeDivByZero);
+    SetFlag(kLeftCanBeMinInt);
     SetFlag(kAllowUndefinedAsNaN);
   }