rust/tests/ui/const-ptr/out_of_bounds_read.rs
2023-01-11 09:32:08 +00:00

16 lines
415 B
Rust

// error-pattern: evaluation of constant value failed
#![feature(const_ptr_read)]
fn main() {
use std::ptr;
const DATA: [u32; 1] = [42];
const PAST_END_PTR: *const u32 = unsafe { DATA.as_ptr().add(1) };
const _READ: u32 = unsafe { ptr::read(PAST_END_PTR) };
const _CONST_READ: u32 = unsafe { PAST_END_PTR.read() };
const _MUT_READ: u32 = unsafe { (PAST_END_PTR as *mut u32).read() };
}