rust/tests/compile-fail/ptr_offset_int_plus_ptr.rs

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// error-pattern: pointer value as raw bytes
fn main() {
let ptr = &mut *Box::new(0u32) as *mut u32;
// Can't start with an integer pointer and get to something usable
unsafe {
let _ = (1 as *mut u8).offset(ptr as isize);
}
}