bug#28308: Build failure on FreeBSD/aarch64

[Eli Zaretskii]

> Cc: npostavs@users.sourceforge.net, 28308@debbugs.gnu.org
> From: Gergely Czuczy <gergely.czuczy@harmless.hu>
> Date: Mon, 11 Sep 2017 17:10:39 +0200
> 
> >> bootstrap-emacs`xnrealloc(pa=0x000000000019ae38, nitems=42949672960,
> >> item_size=281474976703896) at alloc.c:939
> >>       frame #2: 0x000000000022e208
> >> bootstrap-emacs`xpalloc(pa=0x0000000000000000,
> >> nitems=0x0000000041b1797f, nitems_incr_min=1683000,
> >> nitems_max=42949672960, item_size=281474976703896) at alloc.c:0
> >>       frame #3: 0x0000000000168214
> >> bootstrap-emacs`delete_tty(terminal=0x3276551740f23ac5) at term.c:4463
> >>       frame #4: 0x0000000000040190 bootstrap-emacs`__start + 376
> >>       frame #5: 0x0000000040390018 ld-elf.so.1`.rtld_start at 
> >> rtld_start.S:41
> >> (lldb)
> > I don't understand how can this be.  Can you go to frame #3, in
> > delete_tty, and show what line of C code there allegedly calls
> > xpalloc?
> Sure, here it is:
> https://github.com/emacs-mirror/emacs/blob/f44184f/src/term.c#L4463

That's a call to delete_terminal, which doesn't appear in your
backtrace, and doesn't call xpalloc, either.  So thanks, but I'm still
confused.  Are you sure this is an unoptimized build?  Is it possible
that we are looking at LLDB bug?