Re: [Patch] Fix libstdc++/12439

[Paolo Carlini <pcarlini at unitus dot it>]

Nathan Myers wrote:

> > 	  else
> > -	    {
> > -	      *__s = __c;
> > -	      ++__s;
> > -	    }
> > +	    *__s++ = *__tmp;
> > 	}
> >       return __s;
> >     }
> >    
>
> This last delta is suboptimal.  Post-increment is quite expensive on 
> many iterator types.  Code that takes general iterator types should
> always use pre-increment.  Any use of post-increment where we don't 
> know the iterator type should be considered a performance bug.
>  
Hi. Ok for this. I'd rather prefer not answering in public the other part...

Paolo.