src/tools/miri/tests/fail/validity/uninit_integer.rs

   1 #![allow(invalid_value)]
   2 // This test is from https://github.com/rust-lang/miri/issues/1340#issue-600900312.
   3
   4 fn main() {
   5     // The array avoids a `Scalar` layout which detects uninit without even doing validation.
   6     let _val = unsafe { std::mem::MaybeUninit::<[usize; 1]>::uninit().assume_init() };
   7     //~^ ERROR: uninitialized
   8 }