Subject: Re: bug#78738: (signal nil 5) crashes Emacs

From: Eli Zaretskii <[email-masked]>
Date: Tue, 10 Jun 2025 15:25:11 +0300

> From: Manuel Giraud <[email-masked]>
> Cc: Pip Cet <[email-masked]>,  [email-masked],  [email-masked]
> Date: Tue, 10 Jun 2025 13:46:10 +0200
> 
> On this matter, what is the code path that leads to a call to
> signal_or_quit with a nil error_symbol parameter?  According to the
> comment at eval.c:1912, it means that the memory is full but I cannot
> figure out how we can get there.

  void
  memory_full (size_t nbytes)
  {
    if (!initialized)
      fatal ("memory exhausted");
    [...]
    xsignal (Qnil, Vmemory_signal_data);
  }