[Sheriff] Revert "Add support for keyed-call on arrays of fast elements"

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index adf088d61ce3d72ce0e52634269165cf49bf58cf..9bd0b90b4c3b55b0b958cfeb0ee4b59e7dd52a42 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -2289,38 +2289,19 @@ class HCallNamed V8_FINAL : public HUnaryCall {
 };
 
 
-enum CallMode {
-  NORMAL_CALL,
-  TAIL_CALL
-};
-
-
 class HCallFunction V8_FINAL : public HBinaryCall {
  public:
   DECLARE_INSTRUCTION_WITH_CONTEXT_FACTORY_P2(HCallFunction, HValue*, int);
-  DECLARE_INSTRUCTION_WITH_CONTEXT_FACTORY_P3(
-      HCallFunction, HValue*, int, CallMode);
-
-  bool IsTailCall() const { return call_mode_ == TAIL_CALL; }
 
   HValue* context() { return first(); }
   HValue* function() { return second(); }
 
   DECLARE_CONCRETE_INSTRUCTION(CallFunction)
 
-  virtual int argument_delta() const V8_OVERRIDE {
-    if (IsTailCall()) return 0;
-    return -argument_count();
-  }
-
  private:
-  HCallFunction(HValue* context,
-                HValue* function,
-                int argument_count,
-                CallMode mode = NORMAL_CALL)
-      : HBinaryCall(context, function, argument_count), call_mode_(mode) {
+  HCallFunction(HValue* context, HValue* function, int argument_count)
+      : HBinaryCall(context, function, argument_count) {
   }
-  CallMode call_mode_;
 };
 
 
@@ -7202,8 +7183,6 @@ class HCheckMapValue V8_FINAL : public HTemplateInstruction<2> {
   DECLARE_CONCRETE_INSTRUCTION(CheckMapValue)
 
  protected:
-  virtual int RedefinedOperandIndex() { return 0; }
-
   virtual bool DataEquals(HValue* other) V8_OVERRIDE {
     return true;
   }