6 A& operator= (A,...); // { dg-error "8:.A& A::operator=\\(A, ...\\). must not have variable number of arguments" }
7 A operator+ (...); // { dg-error "7:.A A::operator\\+\\(...\\). must not have variable number of arguments" }
8 operator int(...); // { dg-error "5:.A::operator int\\(...\\). must not have variable number of arguments" }
12 A operator- (A,...); // { dg-error "3:.A operator-\\(A, ...\\). must not have variable number of arguments" }