src/test/ui/parser/unsized.stderr

error: expected `where`, `{`, `(`, or `;` after struct name, found keyword `for`
  --> $DIR/unsized.rs:3:11
   |
LL | struct S1 for type;
   |           ^^^ expected `where`, `{`, `(`, or `;` after struct name

error: aborting due to previous error