error[E0017]: references in statics may only refer to immutable values
  --> $DIR/check-static-immutable-mut-slices.rs:13:37
   |
LL | static TEST: &'static mut [isize] = &mut [];
   |                                     ^^^^^^^ statics require immutable values

error: aborting due to previous error

For more information about this error, try `rustc --explain E0017`.