bug#39962: 27.0.90; Crash in Emacs 27.0.90

[Eli Zaretskii]

> From: Pieter van Oostrum <pieter-l@vanoostrum.org>
> Cc: pipcet@gmail.com,  39962@debbugs.gnu.org,  eggert@cs.ucla.edu
> Date: Fri, 13 Mar 2020 22:35:23 +0100
> 
> >> My ulimit -s was 8192 (8 MiBi if I am correct).
> >
> > But does that mean Emacs can really use that much stack space?
> 
> I don't know. If not, would that be an Emacs problem or a MacOS problem? And 
> how can I find out?

I'm not familiar enough with Binutils (or their equivalent) on macOS,
but if you put a breakpoint around line 1167 in emacs.c, you should be
able to examine the amount of stack returned by getrlimit.  Assuming
that code gets compiled on your system, that is.