bug#11845: guile-1.8.8 segfaults at build-time with gcc-4.6.3 and -O3

[Cyprien Nicolas]

Ludovic Courtès wrote:
> Hi Cyprien,

Hi Ludo’,

> 
> Guile 2.0 uses this instead:
> 
> --8<---------------cut here---------------start------------->8---
> int
> find_stack_direction (int *addr, int depth)
> {
>   int dir, dummy = 0;
>   if (! addr)
>     addr = &dummy;
>   *addr = addr < &dummy ? 1 : addr == &dummy ? 0 : -1;
>   dir = depth ? find_stack_direction (addr, depth - 1) : 0;
>   return dir + dummy;
> }
> 
> int
> main (int argc, char **argv)
> {
>   return find_stack_direction (0, argc + !argv + 20) < 0;
> }
> --8<---------------cut here---------------end--------------->8---
> 
> Can you check whether it works for you?

Already checked, at the very end of my previous message, and it actually
works for me.

> (See also
> <http://lists.gnu.org/archive/html/bug-autoconf/2011-06/msg00041.html>
> on that topic.)

This is the exact same issue :)

-- 
,Cyprien