// Stacked Borrows detects that we are casting & to &mut and so it changes why we fail //@compile-flags: -Zmiri-disable-stacked-borrows static X: usize = 5; #[allow(mutable_transmutes)] fn main() { unsafe { *std::mem::transmute::<&usize, &mut usize>(&X) = 6; //~ ERROR read-only assert_eq!(X, 6); } }