[Freeciv-Dev] Re: (PR#7216) take again client crash

["Raimar Falke" <i-freeciv-lists@xxxxxxxxxxxxx>]

<URL: http://rt.freeciv.org/Ticket/Display.html?id=7216 >

On Sat, Jan 10, 2004 at 02:25:15AM -0800, Arnstein Lindgard wrote:
> 
> <URL: http://rt.freeciv.org/Ticket/Display.html?id=7216 >
> 
> On Sat, 10 Jan 2004 00:38:32 -0800 Raimar Falke wrote:
> 
> > > >  ***************************************************************/
> > > >  struct tile *map_get_tile(int x, int y)
> > > >  {
> > > > +  assert(map.tiles != NULL);
> > > >    return MAP_TILE(x, y);
> > > >  }
> > > 
> > > absolutely not. Do you know how many times map_get_tile gets called?
> > 
> > It is one test on a value already loaded into a register.
> 
> How would the compiler know the value hasn't changed?

It doesn't. It would check the value every call.

        Raimar

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