rust/tests/compile-fail/ptr_offset_ptr_plus_0.rs
2020-03-19 08:25:08 +01:00

8 lines
290 B
Rust

// error-pattern: outside bounds of alloc
fn main() {
let x = Box::into_raw(Box::new(0u32));
let x = x.wrapping_offset(8); // ok, this has no inbounds tag
let _x = unsafe { x.offset(0) }; // UB despite offset 0, the pointer is not inbounds of the only object it can point to
}