rust/tests/fail/uninit_byte_read.rs
2022-06-01 10:53:38 -04:00

8 lines
275 B
Rust

// compile-flags: -Zmiri-allow-uninit-numbers
fn main() {
let v: Vec<u8> = Vec::with_capacity(10);
let undef = unsafe { *v.get_unchecked(5) };
let x = undef + 1; //~ ERROR this operation requires initialized memory
panic!("this should never print: {}", x);
}