error: expected identifier, found keyword `loop`
  --> $DIR/lifetime_starts_expressions.rs:16:26
   |
LL |     loop { break 'label: loop { break 'label 42; }; }
   |                          ^^^^ expected identifier, found keyword

error: expected type, found keyword `loop`
  --> $DIR/lifetime_starts_expressions.rs:16:26
   |
LL |     loop { break 'label: loop { break 'label 42; }; }
   |                          ^^^^ expecting a type here because of type ascription

error: aborting due to 2 previous errors