Fix test262 failures and x64 compile failure.

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index a51d67f3e090553b6c3c8dbd334f4b100a1043ac..45f414dc01350bd678da01dca3173dfd490f59b3 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -723,6 +723,8 @@ class HValue : public ZoneObject {
 
   bool CanReplaceWithDummyUses();
 
+  virtual int argument_delta() const { return 0; }
+
   // A purely informative definition is an idef that will not emit code and
   // should therefore be removed from the graph in the RestoreActualValues
   // phase (so that live ranges will be shorter).
@@ -1930,13 +1932,18 @@ class HEnterInlined V8_FINAL : public HTemplateInstruction<0> {
 
 class HLeaveInlined V8_FINAL : public HTemplateInstruction<0> {
  public:
-  HLeaveInlined() { }
+  explicit HLeaveInlined(int drop_count) : drop_count_(drop_count) { }
 
   virtual Representation RequiredInputRepresentation(int index) V8_OVERRIDE {
     return Representation::None();
   }
 
+  virtual int argument_delta() const V8_OVERRIDE { return -drop_count_; }
+
   DECLARE_CONCRETE_INSTRUCTION(LeaveInlined)
+
+ private:
+  int drop_count_;
 };
 
 
@@ -1948,6 +1955,7 @@ class HPushArgument V8_FINAL : public HUnaryOperation {
     return Representation::Tagged();
   }
 
+  virtual int argument_delta() const V8_OVERRIDE { return 1; }
   HValue* argument() { return OperandAt(0); }
 
   DECLARE_CONCRETE_INSTRUCTION(PushArgument)
@@ -2097,7 +2105,13 @@ class HCall : public HTemplateInstruction<V> {
     return HType::Tagged();
   }
 
-  virtual int argument_count() const { return argument_count_; }
+  virtual int argument_count() const {
+    return argument_count_;
+  }
+
+  virtual int argument_delta() const V8_OVERRIDE {
+    return -argument_count();
+  }
 
   virtual bool IsCall() V8_FINAL V8_OVERRIDE { return true; }