rust/src/test/ui/consts/issue-83182.rs

// stderr-per-bitwidth

use std::mem;
struct MyStr(str);
const MYSTR_NO_INIT: &MyStr = unsafe { mem::transmute::<&[_], _>(&[&()]) };
//~^ ERROR: it is undefined behavior to use this value
fn main() {}
split ui test stderr by bitwidth 2021-05-15 11:02:39 -05:00			`// stderr-per-bitwidth`

handle pointers in str 2021-05-15 08:04:41 -05:00			`use std::mem;`
			`struct MyStr(str);`
			`const MYSTR_NO_INIT: &MyStr = unsafe { mem::transmute::<&[_], _>(&[&()]) };`
			`//~^ ERROR: it is undefined behavior to use this value`
			`fn main() {}`