[Bug c++/54905] invalid use of qualified-name 'std::cout'

[glisse at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54905

--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> 2012-10-11 21:39:01 UTC ---
#include <iostream>

struct A
{
    A(std::ostream& s);
};

int main() {
    A(std::cout);
}