bug#24857: emacs24/25 FTBFS since a long time on GNU/Hurd

[Svante Signell <svante.signell@gmail.com>]

On Wed, 2016-11-02 at 18:46 +0200, Eli Zaretskii wrote:
> > 
> > From: Paul Eggert <eggert@cs.ucla.edu>
> > Date: Wed, 2 Nov 2016 08:20:59 -0700
> > Cc: Svante Signell <svante.signell@gmail.com>
> > 
> > [forwarded from http://lists.gnu.org/archive/html/emacs-devel/2016-11/msg000
> > 55.html]
> > 
> > From: Svante Signell <svante.signell@gmail.com>
> > To: emacs-devel@gnu.org
> > Date: Wed, 02 Nov 2016 15:16:54 +0100
> > 
> The posted backtrace indicates the problem is with inability to
> allocate memory:

Yes!

> Btw, what happened between frame #0 and frame #374454?  Was that some
> infinite loop trying to print an error message, which caused an
> attempt to allocate memory, which tried to print an error message, and
> so on and so forth?

#16 0x0521d6f4 in __assert_fail_base (
    fmt=0x5369100 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", 
    assertion=0x516cc49 "__pthread_threads", file=0x516cf17 "./pthread/pt-self.c
", 
    line=28, function=0x516cf2c <__PRETTY_FUNCTION__.9369> "__pthread_self") at 
assert.c:92
        str = 0x0
        total = 86103528
#17 0x0521d75a in __assert_fail (assertion=0x516cc49 "__pthread_threads", 
    file=0x516cf17 "./pthread/pt-self.c", line=28, 
    function=0x516cf2c <__PRETTY_FUNCTION__.9369> "__pthread_self") at assert.c:
101
No locals.
#18 0x05168696 in __pthread_self () at ./pthread/pt-self.c:28
        thread = <optimized out>
        self = <optimized out>
        self = <optimized out>
#19 0x05224e8e in raise (signo=6) at
../sysdeps/../libpthread/sysdeps/generic/raise.c:37
        err = <optimized out>
#20 0x052276cf in abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x5369100, sa_sigaction =
0x519369100}, 
          sa_mask = 87441919, sa_flags = 87908352}
        sigs = 32

#16+17+18+19+20 loops from here:...

That was a bug in raise looping indefinitely due to a failed assertion, now
fixed.