Remove override mode from BinaryOpStub

src/full-codegen.cc

 // 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 1035 matching lines @@
   VisitInDuplicateContext(right);
   __ bind(&done);
 }
 
 
 void FullCodeGenerator::VisitArithmeticExpression(BinaryOperation* expr) {
   Token::Value op = expr->op();
   Comment cmnt(masm_, "[ ArithmeticExpression");
   Expression* left = expr->left();
   Expression* right = expr->right();
-  OverwriteMode mode =
-      left->ResultOverwriteAllowed()
-      ? OVERWRITE_LEFT
-      : (right->ResultOverwriteAllowed() ? OVERWRITE_RIGHT : NO_OVERWRITE);
 
   VisitForStackValue(left);
   VisitForAccumulatorValue(right);
 
   SetSourcePosition(expr->position());
   if (ShouldInlineSmiCase(op)) {
-    EmitInlineSmiBinaryOp(expr, op, mode, left, right);
+    EmitInlineSmiBinaryOp(expr, op, left, right);
   } else {
-    EmitBinaryOp(expr, op, mode);
+    EmitBinaryOp(expr, op);
   }
 }
 
 
 void FullCodeGenerator::VisitBlock(Block* stmt) {
   Comment cmnt(masm_, "[ Block");
   NestedBlock nested_block(this, stmt);
   SetStatementPosition(stmt);
 
   Scope* saved_scope = scope();
@@ skipping 533 matching lines @@
   }
 
   return false;
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal