[Bug c++/69924] gcc5.2 compile Error: std::basic_istream: no match for 'operator>>', while gcc 4.8 works

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69924

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I assume you're compiling as C++11?