error[E0381]: use of possibly uninitialized variable: `x` (Ast)
  --> $DIR/borrowck-storage-dead.rs:28:17
   |
LL |         let _ = x + 1; //~ERROR (Ast) [E0381]
   |                 ^ use of possibly uninitialized `x`

error[E0381]: use of possibly uninitialized variable: `x` (Mir)
  --> $DIR/borrowck-storage-dead.rs:28:17
   |
LL |         let _ = x + 1; //~ERROR (Ast) [E0381]
   |                 ^ use of possibly uninitialized `x`

error: aborting due to 2 previous errors

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