Re: [Texmacs-dev] [PATCH] solves GCC 3.2 auto_save segfault for me...

[Joris van der Hoeven]

> > Hmmm, option 2 would not surprise me;
> > it took me one week of debugging to find this bug in g++-3.0.
> > It somehow disappeared from 3.1, but they seem to be uncautious enough
> > to let it reappear in other major distributions. I think that this is
>  > [...]
> 
> Can you provide a test-case for double-deletion from g++-3.0 case era?

Unfortunately not; I even don't remember which routine was erroneously
compiled. I only remember that it was *really* a g++ bug, because I had
to take a look at the assembler code. I never bothered about it anymore,
because it seemed to have disappeared in g++ 3.1.

> >>I'm now rebuilding with GCC-3.2 snapshot 20021104 (the latest available) and
> >>will come up with the result.
> > 
> > Thanks, it would be great to know whether hypothesis 2 is right...
> > If you can find a systematic way of testing whether this bug has
> > reappeared in g++, then that would even be better.
> 
> Well, my english is not enough compatible :) Are you talking about PR 8287
> or suspected double-deletion of tree object?
> 
> I just researched GCC/c++ bug reports regarding destructors and I'm unable to
> find a double-deletion case that is reported but not yet fixed as of 20021107 
> CVS.

Hmm, maybe this is still another bug :^(((((((((((((( in the destructors.