Re: RFA: patch to fix gdb/1680

[Daniel Jacobowitz <drow@false.org>]

On Fri, Jun 18, 2004 at 03:56:42PM -0400, Andrew Cagney wrote:
> >>Try "{}" instead of {""}.  In these sorts of situtations that works a
> >>>lot better.
> >
> >
> >which is the missing bit of my suggestion.  { and \{ are the same thing
> >when written in double quotes.  So (since we can't use {} here, because
> >there is a variable substitution inside gdb_test's argument), use two
> >backslashes.  That way one will reach the regex engine.
> 
> (two many quote characters).  Use ``{ ... }'' instead of ``" ... "'' 
> when wrapping things up, it avoids the entire quoting et.al. problem.

I wrote:
> >when written in double quotes.  So (since we can't use {} here, because
> >there is a variable substitution inside gdb_test's argument), use two

If we use { }, the $r will not be expanded, and the test will not work. 
We can't use { } for this.

-- 
Daniel Jacobowitz