rust/tests/compile-fail/static_memory_modification3.rs

use std::mem::transmute;

#[allow(mutable_transmutes)]
fn main() {
    unsafe {
        let bs = b"this is a test";
        transmute::<&[u8], &mut [u8]>(bs)[4] = 42; //~ ERROR constant evaluation error [E0080]
        //~^ NOTE tried to modify constant memory
    }
}