Bug#839218: nama: FTBFS: Failed 1/7 test programs. 0/91 subtests failed.Bad plan. You planned 126 tests but ran 57.

[Dominic Hargreaves]

Control: reassign 839218 nama
Control: retitle 839218 nama: FTBFS because of perl's lack of stack reference counting

On Mon, Mar 27, 2017 at 09:33:29AM +0200, Balint Reczey wrote:
> Control: tags -1 patch
> 
> Hi Niko,
> 
> On Sun, Mar 26, 2017 at 8:23 PM, Niko Tyni <ntyni at debian.org> wrote:
> > On Fri, Mar 24, 2017 at 11:30:11AM +0200, Niko Tyni wrote:
> >
> >> I'll also work a bit on reducing the test further when I find the time.
> >
> > I got it down to this:
> >
> >   my $a = [ 0, 1 ];
> >   sub f {
> >     my $arg = shift;
> >     my @a1 = @$a;
> >     @$a = @a1;
> >     return();
> >   }
> >   map{ f($_) } @$a;
> >
> >
> > This looks to me like an instance of the general stack-not-refcounted
> > issue, see https://rt.perl.org/Public/Bug/Display.html?id=77706 et al.
> >
> > But let's see what upstream says, I'll follow up there as well.
> 
> Thanks!
> 
> Seeing that they confirmed that and the refcounting issue is rather old
> I think it would be reasonable to apply a workaround in nama.
> The attached patch made nama build in current unstable.

Thanks, reassigning back to Nama so the workaround can be considered.
The underlying problem in perl is tracked in #582925.

Dominic.