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

[Eli Zaretskii]

> Date: Wed, 26 Mar 2014 09:46:40 -0400
> From: Richard Stallman <address@hidden>
> CC: address@hidden, address@hidden, address@hidden,
>       address@hidden
> 
>     > I never got to find that out.  I was printing elements one by one
>     > with pr, and on the bad one pr crashed and I could not recover.
> 
>     That's why etc/DEBUG advises not to use 'pr' in these situations.
> 
> Alas, there were so many elements.

Maybe we should have a segfault-safe 'pr', using valid_pointer_p?