1 error[E0532]: expected tuple struct or tuple variant, found constant `C1`
2 --> $DIR/issue-28992-empty.rs:13:12
4 LL | if let C1(..) = 0 {}
5 | ^^ not a tuple struct or tuple variant
7 error[E0164]: expected tuple struct or tuple variant, found associated constant `S::C2`
8 --> $DIR/issue-28992-empty.rs:14:12
10 LL | if let S::C2(..) = 0 {}
11 | ^^^^^^^^^ not a tuple struct or tuple variant
13 error: aborting due to 2 previous errors
15 Some errors have detailed explanations: E0164, E0532.
16 For more information about an error, try `rustc --explain E0164`.