------- Comment #2 from chris at bubblescope dot net 2010-03-16 08:38 ------- Reduced testcase:
template<class T> struct Container { T f() const; }; template<class T> T deref(const T& t) { return t; } template <class T, class... Args> auto deref(const T& u, int r, Args... args) -> decltype(deref(u.f(), args...)) { return deref(u.f(), args...); } int main(void) { Container<Container<int>> v; deref(v,1,2); } -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43382