On Wed, Jan 14, 2009 at 08:47:34PM -0800, Daniel Burrows <dburr...@debian.org> 
was heard to say:
>   Something that would be even better if you can manage it would be to
> use "hg bisect".  This will be time-consuming, but has the potential to
> track down exactly what's happening, or at least what change triggered
> it.  The one time I was able to (very briefly) reproduce this I tried
> running valgrind and gdb, but without getting anywhere.

  Bah.  There have been too many toolchain changes over the last three
years.  You can do this, but it'll be a real pain.  At the very least
you need to use g++ 4.2 and pass --disable-werror.  Then, there's the
fact that the very first revision that "bisect" picks requires a version
of cwidget that no longer exists in Debian...

  Probably no point in trying to post this to my blog -- hardly anyone
would be able to follow the instructions that I'd have to give.  Anyway,
obviously I would be happy if you could hunt this down, but it's beyond
the scope of what I usually ask bug reporters to try, so I'll understand
if you don't pursue this approach.

  Daniel



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