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warning: unreachable statement
  --> $DIR/never-assign-dead-code.rs:10:5
   |
LL |     drop(x);
   |     ^^^^^^^^
   |
note: lint level defined here
  --> $DIR/never-assign-dead-code.rs:5:9
   |
LL | #![warn(unused)]
   |         ^^^^^^
   = note: `#[warn(unreachable_code)]` implied by `#[warn(unused)]`

warning: unreachable expression
  --> $DIR/never-assign-dead-code.rs:10:5
   |
LL |     drop(x);
   |     ^^^^^^^

warning: unused variable: `x`
  --> $DIR/never-assign-dead-code.rs:9:9
   |
LL |     let x: ! = panic!("aah");
   |         ^ help: consider prefixing with an underscore: `_x`
   |
note: lint level defined here
  --> $DIR/never-assign-dead-code.rs:5:9
   |
LL | #![warn(unused)]
   |         ^^^^^^
   = note: `#[warn(unused_variables)]` implied by `#[warn(unused)]`