src/tools/miri/tests/fail/validity/recursive-validity-box-bool.rs

//@compile-flags: -Zmiri-recursive-validation

fn main() {
    let mut x = 3u8;
    let xref = &mut x;
    let xref_wrong_type: Box<bool> = unsafe { std::mem::transmute(xref) }; //~ERROR: encountered 0x03, but expected a boolean
    let _val = *xref_wrong_type;
}