[Bug c++/54316] [C++11] move constructor for string_stream

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54316

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|lundberj at gmail dot com   |

--- Comment #2 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-08-18 20:58:35 UTC ---
Many C++11 bits having to do with iostream and even more those having to do
with std::string are quite delicate in terms of ABI, thus the implementation is
being delayed to when we globally break the ABI. It's known.