[Bug libstdc++/54025] atomic won't compile: chrono::duration::duration() is not C++11 compliant

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54025

--- Comment #10 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-07-19 
12:23:40 UTC ---
I see. For now I would rather just minimally tweak to testcase. If you want to
play a bit more with this and experiment with the various options, just let me
know.