[Bug c++/50391] [C++0x] ICE on invalid code, pair with incomplete type

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50391

--- Comment #3 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-09-14 16:20:53 UTC ---
Done.