Ruby testsuite failures because of pointer mangling on 32-bit ARM?

[Ryan Arnold]

On Tue, Dec 10, 2013 at 7:13 PM, Andrew Pinski <pinskia@gmail.com> wrote:
> On Tue, Dec 10, 2013 at 2:36 PM, David Miller <davem@davemloft.net> wrote:
>> From: pinskia@gmail.com
>> Date: Tue, 10 Dec 2013 11:57:03 -0800
>>
>>> Hmm, shouldn't ruby be using makecontext/restore context instead of
>>> setjmp/longjmp for this purpose?  I think we should declare this as
>>> a bug in ruby.
>>
>> I honestly think that what Ruby is doing is quite reasonable.
>
> How so, jmp_buf is supposed to be an opaque structure.  If a program
> depends on the context of an opaque structure, then it is a bug in the
> program rather than the library which changes what the opaque
> structure contains.  This is the whole point of using
> makecontext/restorecontext instead, those structures are not designed
> to be opaque.
>
> Thanks,
> Andrew Pinski

For reference, the context routines are deprecated:

http://pubs.opengroup.org/onlinepubs/009695399/functions/makecontext.html