src/test/ui/generator/generator-with-nll.stderr

   1 error[E0626]: borrow may still be in use when generator yields
   2   --> $DIR/generator-with-nll.rs:7:17
   3    |
   4 LL |         let b = &mut true;
   5    |                 ^^^^^^^^^
   6 LL |
   7 LL |         yield ();
   8    |         -------- possible yield occurs here
   9
  10 error: aborting due to previous error
  11
  12 For more information about this error, try `rustc --explain E0626`.