https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71010
Ubikovich <theubik at mail dot ru> changed:
What |Removed |Added
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Resolution|INVALID |FIXED
--- Comment #3 from Ubikovich <theubik at mail dot ru> ---
But since C++14 cbegin invoke std::begin:
// http://en.cppreference.com/w/cpp/iterator/begin
template< class C >
constexpr auto cbegin( const C& c ) -> decltype(std::begin(c));
(3) (since C++14)
Then in what namespace should be user-defined begin/end?