src/test/ui/match/match-struct.rs

   1 struct S { a: isize }
   2 enum E { C(isize) }
   3
   4 fn main() {
   5     match (S { a: 1 }) {
   6         E::C(_) => (),
   7         //~^ ERROR mismatched types
   8         //~| expected struct `S`, found enum `E`
   9         _ => ()
  10     }
  11 }