From: "Vít Ondruch" <v.ondruch@...>
Date: 2012-01-10T01:30:32+09:00
Subject: [ruby-core:42004] continuations expected result

--e89a8ff257a2c42d1704b61aeaee
Content-Type: text/plain; charset=ISO-8859-1

Hi,

Working on [1], I have come with short oneliner:

ruby -rcontinuation -e 'cont = nil; callcc { |k| cont = k }; cont.call'

What is the expected result of such code? Built by GCC 4.6, I see infinite
loop. Built by GCC 4.7, I experience crash [2].

Vit



[1] http://bugs.ruby-lang.org/issues/5851
[2] https://gist.github.com/1583613

--e89a8ff257a2c42d1704b61aeaee
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Hi,<br><br>Working on [1], I have come with short oneliner:<br><br>ruby -rc=
ontinuation -e &#39;cont =3D nil; callcc { |k| cont =3D k }; cont.call&#39;=
<br><br>What is the expected result of such code? Built by GCC 4.6, I see i=
nfinite loop. Built by GCC 4.7, I experience crash [2].<br>
<br>Vit<br><br><br><br>[1] <a href=3D"http://bugs.ruby-lang.org/issues/5851=
">http://bugs.ruby-lang.org/issues/5851</a><br>[2] <a href=3D"https://gist.=
github.com/1583613">https://gist.github.com/1583613</a><br>

--e89a8ff257a2c42d1704b61aeaee--