tests/ui/issues/issue-38412.stderr

   1 error[E0532]: cannot match against a tuple struct which contains private fields
   2   --> $DIR/issue-38412.rs:2:9
   3    |
   4 LL |     let Box(a) = loop { };
   5    |         ^^^ constructor is not visible here due to private fields
   6
   7 error: aborting due to 1 previous error
   8
   9 For more information about this error, try `rustc --explain E0532`.