error[E0603]: struct `Foo` is private
  --> $DIR/issue-13641.rs:19:5
   |
LL |     a::Foo::new();
   |     ^^^^^^^^^^^

error[E0603]: enum `Bar` is private
  --> $DIR/issue-13641.rs:21:5
   |
LL |     a::Bar::new();
   |     ^^^^^^^^^^^

error: aborting due to 2 previous errors

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