Why can't I initialize an array of objects if they have private copy constructors?

Question

I just ran across some unexpected and frustrating behaviour while working on a C++ project. My actual code is a tad more complicated, but the following example captures it just

Answer 1

class Irritating
{
    public:  Irritating() {}
    private: Irritating(const Irritating& other) {}
};

enum DefaultConstruct { defaultConstruct };

class MaybeTooClever
    : public Irritating
{
public:
    MaybeTooClever( DefaultConstruct = defaultConstruct ) {}
#ifdef __GNUC__
public:
    MaybeTooClever( MaybeTooClever const& other );      // No such.
#else
private:
    MaybeTooClever( MaybeTooClever const& other );      // No such.
#endif
};    

static MaybeTooClever const array[] = { defaultConstruct };

int main()
{}