src/tools/miri/tests/fail/modifying_constants.rs


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// This should fail even without validation/SB
//@compile-flags: -Zmiri-disable-validation -Zmiri-disable-stacked-borrows

fn main() {
    let x = &1; // the `&1` is promoted to a constant, but it used to be that only the pointer is marked static, not the pointee
    let y = unsafe { &mut *(x as *const i32 as *mut i32) };
    *y = 42; //~ ERROR: read-only
    assert_eq!(*x, 42);
}