Re: breakpoint for accessing memory location

Daniel Jacobowitz
2006-10-22T04:22:36Z

On Sun, Oct 22, 2006 at 06:17:58AM +0200, Eli Zaretskii wrote:
> > Date: Sat, 21 Oct 2006 18:32:00 -0400
> > From: Daniel Jacobowitz <drow@false.org>
> > Cc: rodney.bates@wichita.edu, gdb@sourceware.org
> > >
> > > So you are saying that "watch p - p" will also cause an error message
> > > when p goes out of scope?
> >
> > Well, I just tried it; that's what I'd expect, and it seems to be what
> > happens, also.
>
> That's silly, IMHO. Don't you think we should be smarter? Perhaps
> some kind of expression optimizer could be devised to do better.

I really don't think we should be optimizing expressions. One
certainly could be devised - but it would look like "fold" in GCC,
which is a huge and horrendously complex thing.

--
Daniel Jacobowitz
CodeSourcery