Memory barriers vs lock/unlock

[Paolo Carlini]

Paolo Carlini wrote:

>    FAIL: 22_locale/locale/cons/12658_thread-1.cc execution test
>    FAIL: 22_locale/locale/cons/12658_thread-2.cc execution test
>
Don't pay too much attention to those, for now. Likely are due to a MT
bug affecting old glibcs
(http://sources.redhat.com/ml/libc-hacker/2004-07/msg00034.html)

Paolo.