http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57043
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2013-04-23 Component|libstdc++ |c++ Known to work| |4.6.3 Ever Confirmed|0 |1 Known to fail| |4.7.3, 4.8.0, 4.9.0 --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2013-04-23 11:12:21 UTC --- I think this is a front-end issue, the following compiles OK with G++ 4.6, Clang 3.3 and ICC 13, but not G++ 4.7+ (in c++98 or c++11 mode) template<typename D> struct complex { }; template<typename Tp> inline complex<Tp> pow(const complex<Tp>& x, const complex<Tp>& y) { return x; } template<typename T, typename U> struct promote_2 { typedef T type; }; template<typename Tp, typename Up> inline complex<typename promote_2<Tp, Up>::type> pow(const complex<Tp>& x, const complex<Up>& y) { return x; } complex<double> (*powcc)(const complex<double>&, const complex<double>&) = pow;