5 (1, 2, 3, 4) => {} //~ ERROR mismatched types
6 (1, 2, .., 3, 4) => {} //~ ERROR mismatched types
11 //~^ ERROR this pattern has 4 fields, but the corresponding tuple struct has 3 fields
12 S(1, 2, .., 3, 4) => {}
13 //~^ ERROR this pattern has 4 fields, but the corresponding tuple struct has 3 fields