rust/tests/fail/validity/uninit_float.rs

9 lines
420 B
Rust

#![allow(deprecated)]
// This test is adapted from https://github.com/rust-lang/miri/issues/1340#issue-600900312.
fn main() {
// Deliberately using `mem::uninitialized` to make sure that despite all the mitigations, we consider this UB.
let _val: f32 = unsafe { std::mem::uninitialized() };
//~^ ERROR: constructing invalid value at .value: encountered uninitialized bytes, but expected initialized bytes
}