Re: [Emacs-diffs] trunk r116836: Avoid GC crashes.

[Eli Zaretskii]

> From: Rüdiger Sonderfeld <address@hidden>
> Date: Wed, 26 Mar 2014 15:42:03 +0100
> Cc: address@hidden, Daniel Colascione <address@hidden>
> 
> On Saturday 22 March 2014 19:57:02 Richard Stallman wrote:
> >     Thanks. Am I missing something, or is there still no reliable repro? I
> >     feel like gdb's reverse debugging support would be helpful here.
> > 
> > I don't know how much time passes between the vector gets freed
> > and when the symbol gets marked.  I suspect it is the time
> > between one GC and the next, which would be millions of instructions.
> > Can reverse execution handle that?
> 
> Maybe Mozilla's new rr project could help here
> 
> * http://robert.ocallahan.org/2014/03/introducing-rr.html
> * http://rr-project.org/
> 
> It records the execution and allows replays

It's x86 specific, so will most probably not work on Richard's
machine.