[Bug libstdc++/60407] [C++11] call of overloaded ‘isnan’ is ambiguous

[dilawar.s.rajput at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60407

--- Comment #9 from Dilawar Singh <dilawar.s.rajput at gmail dot com> ---
The snippet I sent you (in url filed) is a part of large project which compiles
fine on Ubuntu-server (gcc4.7.x, I am not sure about x).

I will confirm it later once I login onto server again. Once I change `isnan`
to `std::isnan` in my project, it compiles fine with my g++-4.8.1.