[Bug c++/53862] [C++11] sorry, unimplemented: use of 'type_pack_expansion' in template

[likan_999.student at sina dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53862

--- Comment #1 from Ke Liu <likan_999.student at sina dot com> 2012-07-05 09:08:44 UTC ---
BTW: this piece of code can be compiled successfully by clang++