1// [over.best.ics]: For the purpose of ranking implicit conversion 2// sequences as described in _over.ics.rank_, the ambiguous conversion 3// sequence is treated as a user-defined sequence that is indistinguishable 4// from any other user- defined conversion sequence. 5 6struct A 7{ 8 A(long); 9 A(char); 10}; 11 12struct B 13{ 14 B(int); 15}; 16 17void f(A); // { dg-message "note" "candidate" } 18void f(B); // { dg-message "note" "candidate" } 19 20int main() 21{ 22 f (42); // { dg-error "ambiguous" "ambiguous" } 23} 24