[Bug c++/54755] Template instantiation confused by actual template argument definitions before and after template definition

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54755

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-09-29 19:06:09 UTC ---
I haven't bothered analysing the code, but Comeau and Clang agree it's
ambiguous, so GCC is probably right.