File: ub-invalid-values.rs

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rustc 1.87.0%2Bdfsg1-1
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const fn bool_cast(ptr: *const bool) { unsafe {
    let _val = *ptr as u32; //~ NOTE inside `bool_cast`
    //~^ NOTE the failure occurred here
}}

const _: () = {
    let v = 3_u8;
    bool_cast(&v as *const u8 as *const bool); //~ ERROR: evaluation of constant value failed
    //~^ NOTE interpreting an invalid 8-bit value as a bool
};

fn main() {}