1fn f2(u64) u64 {
 2    return x;
 3}
 4fn f3(*x) u64 {
 5    return x;
 6}
 7fn f1(x) u64 {
 8    return x;
 9}
10
11// error
12//
13// :1:7: error: missing parameter name
14// :4:7: error: missing parameter name
15// :7:7: error: missing parameter name or type
16// :7:7: note: if this is a name, annotate its type: 'x: T'
17// :7:7: note: if this is a type, give it a name: 'name: x'