error: expected `|`, found `}`
  --> $DIR/issue-43196.rs:3:1
   |
LL |     |
   |      - expected `|`
LL | }
   | ^ unexpected token

error: expected item, found `|`
  --> $DIR/issue-43196.rs:5:1
   |
LL | |
   | ^ expected item

error: aborting due to 2 previous errors