rust/tests/ui/precondition-checks/read.rs
2024-10-09 19:34:27 -04:00

19 lines
426 B
Rust

//@ run-fail
//@ compile-flags: -Copt-level=3 -Cdebug-assertions=no -Zub-checks=yes
//@ error-pattern: unsafe precondition(s) violated: ptr::read requires
//@ revisions: null misaligned
//@ ignore-test
use std::ptr;
fn main() {
let src = [0u16; 2];
let src = src.as_ptr();
unsafe {
#[cfg(null)]
ptr::read(ptr::null::<u8>());
#[cfg(misaligned)]
ptr::read(src.byte_add(1));
}
}