rust/tests/ui/ptr_ops/issue-80309-safe.rs
2024-02-16 20:02:50 +00:00

17 lines
298 B
Rust

//@ run-pass
//@ compile-flags: -O
// Regression test for issue #80309
pub fn zero(x: usize) -> usize {
std::ptr::null::<i8>().wrapping_add(x) as usize - x
}
pub fn qux(x: &[i8]) -> i8 {
x[zero(x.as_ptr() as usize)]
}
fn main() {
let z = vec![42, 43];
println!("{}", qux(&z));
}