error[E0603]: tuple struct constructor `A` is private
  --> $DIR/issue-111220-tuple-struct-fields.rs:8:13
   |
LL |         let Self(x) = self;
   |             ^^^^^^^

error[E0603]: tuple struct constructor `A` is private
  --> $DIR/issue-111220-tuple-struct-fields.rs:20:13
   |
LL |         let Self(a) = self;
   |             ^^^^^^^

error[E0603]: tuple struct constructor `A` is private
  --> $DIR/issue-111220-tuple-struct-fields.rs:40:13
   |
LL |         let Self(a) = self;
   |             ^^^^^^^

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0603`.