error[E0764]: mutable references are not allowed in statics
  --> $DIR/read_from_static_mut_ref.rs:5:26
   |
LL | static OH_NO: &mut i32 = &mut 42;
   |                          ^^^^^^^ `&mut` is only allowed in `const fn`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0764`.