error: cast cannot be followed by a postfix match
  --> $DIR/match-after-as.rs:4:5
   |
LL |     1 as i32.match {};
   |     ^^^^^^^^
   |
help: try surrounding the expression in parentheses
   |
LL |     (1 as i32).match {};
   |     +        +

error[E0004]: non-exhaustive patterns: type `i32` is non-empty
  --> $DIR/match-after-as.rs:4:5
   |
LL |     1 as i32.match {};
   |     ^^^^^^^^
   |
   = note: the matched value is of type `i32`
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
   |
LL ~     1 as i32.match {
LL +         _ => todo!(),
LL ~     };
   |

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0004`.