Remove override mode from BinaryOpStub

src/full-codegen.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 581 matching lines @@
   // The receiver is left on the stack by the IC.
   void EmitNamedPropertyLoad(Property* expr);
 
   // Load a value from a keyed property.
   // The receiver and the key is left on the stack by the IC.
   void EmitKeyedPropertyLoad(Property* expr);
 
   // Apply the compound assignment operator. Expects the left operand on top
   // of the stack and the right one in the accumulator.
   void EmitBinaryOp(BinaryOperation* expr,
-                    Token::Value op,
-                    OverwriteMode mode);
+                    Token::Value op);
 
   // Helper functions for generating inlined smi code for certain
   // binary operations.
   void EmitInlineSmiBinaryOp(BinaryOperation* expr,
                              Token::Value op,
-                             OverwriteMode mode,
                              Expression* left,
                              Expression* right);
 
   // Assign to the given expression as if via '='. The right-hand-side value
   // is expected in the accumulator.
   void EmitAssignment(Expression* expr);
 
   // Complete a variable assignment.  The right-hand-side value is expected
   // in the accumulator.
   void EmitVariableAssignment(Variable* var,
@@ skipping 316 matching lines @@
   }
 
  private:
   Zone* zone_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FULL_CODEGEN_H_