error[E0308]: mismatched types
  --> $DIR/return-from-diverging.rs:4:12
   |
LL |     return "wow"; //~ ERROR mismatched types
   |            ^^^^^ expected !, found reference
   |
   = note: expected type `!`
              found type `&'static str`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0308`.