Re: [Patch] libstdc++/24244 (2nd try)

[Kurt Kohler <kohler at ao dot com>]

I've now changed the real program that started all this back to using 
stdc++ shared_ptr and weak_ptr. It works!
This program creates and destroys thousands of shared_ptr's so it should 
be a pretty rigorous test.

Thanks to everyone who help with this!

Kurt

Paolo Carlini wrote:

> Kurt Kohler wrote:
>
>  
>
> > I'm sure everyone will be happy to hear that valgrind is now happy
> > with my test program. It no longer complains about the uninitialized
> > mutex. Yay!
> >    
>
> Excellent. As soon as mainline reopens for normal bugfixing, I will
> commit it.
>
>  
>
> > Did anyone ever figure out why no one else could reproduce it?
> >    
>
> Not really, sadly, but this kind of bug (uninitialized vars in general,
> I mean) is intrinsically nasty from the point of view of
> reproducibility: I'm sure that in the past even bugs in the compiler
> proper required very specific conditions to appear (e.g., bootstrap
> broken only for one architecture).
>
> But the bug itself is very real, thanks for your perseverance ;)
>
>  
>
> > It will take a bit longer to change my real program back to using the
> > stdc++ shared_ptr. I'll let you know what I find although I don't
> > expect any problems.
> >    
>
> Thanks again,
> Paolo.
>