error[E0381]: used binding `x` isn't initialized
  --> $DIR/check_place_is_initialized.rs:10:15
   |
LL |     let x: Void;
   |         - binding declared here but left uninitialized
LL |     match x { ! }
   |               ^ `x` used here but it isn't initialized
   |
help: consider assigning a value
   |
LL |     let x: Void = /* value */;
   |                 +++++++++++++

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0381`.