error: unexpected closing delimiter: `}`
  --> $DIR/deli-ident-issue-2.rs:5:1
   |
LL |     if 1 < 2 {
   |              - the nearest open delimiter
LL |         let _a = vec!];
   |                      - missing open `[` for this delimiter
LL |     }
LL | }
   | ^ unexpected closing delimiter

error: aborting due to 1 previous error