error[E0603]: constant `baz` is private
  --> $DIR/macro-local-data-key-priv.rs:8:10
   |
LL |     bar::baz.with(|_| ());
   |          ^^^ private constant
   |
note: the constant `baz` is defined here
  --> $DIR/macro-local-data-key-priv.rs:4:5
   |
LL |     thread_local!(static baz: f64 = 0.0);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = note: this error originates in the macro `$crate::thread::local_impl::thread_local_process_attrs` which comes from the expansion of the macro `thread_local` (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to 1 previous error

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