Fix out-of-date comment.

src/codegen-ia32.cc

 // Copyright 2006-2008 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 782 matching lines @@
   Comment cmnt_token(masm_, Token::String(op));
 
   if (op == Token::COMMA) {
     // Simply discard left value.
     frame_->Pop(eax);
     frame_->Pop();
     frame_->Push(eax);
     return;
   }
 
-  // For now, we keep the old behavior and only inline the smi code
-  // for the bitwise operations.
+  // Set the flags based on the operation, type and loop nesting level.
   GenericBinaryFlags flags;
   switch (op) {
     case Token::BIT_OR:
     case Token::BIT_AND:
     case Token::BIT_XOR:
     case Token::SHL:
     case Token::SHR:
     case Token::SAR:
       // Bit operations always assume they likely operate on Smis. Still only
       // generate the inline Smi check code if this operation is part of a loop.
@@ skipping 4306 matching lines @@
 
   // Slow-case: Go through the JavaScript implementation.
   __ bind(&slow);
   __ InvokeBuiltin(Builtins::INSTANCE_OF, JUMP_FUNCTION);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal