26 lines
806 B
Rust
26 lines
806 B
Rust
// Strip out raw byte dumps to make comparison platform-independent:
|
|
// normalize-stderr-test "(the raw bytes of the constant) \(size: [0-9]*, align: [0-9]*\)" -> "$1 (size: $$SIZE, align: $$ALIGN)"
|
|
// normalize-stderr-test "([0-9a-f][0-9a-f] |╾─*a(lloc)?[0-9]+(\+[a-z0-9]+)?─*╼ )+ *│.*" -> "HEX_DUMP"
|
|
|
|
use std::mem;
|
|
|
|
#[derive(Copy, Clone)]
|
|
enum Bar {}
|
|
|
|
#[repr(C)]
|
|
union MaybeUninit<T: Copy> {
|
|
uninit: (),
|
|
init: T,
|
|
}
|
|
|
|
const BAD_BAD_BAD: Bar = unsafe { MaybeUninit { uninit: () }.init };
|
|
//~^ ERROR evaluation of constant value failed
|
|
|
|
const BAD_BAD_REF: &Bar = unsafe { mem::transmute(1usize) };
|
|
//~^ ERROR it is undefined behavior to use this value
|
|
|
|
const BAD_BAD_ARRAY: [Bar; 1] = unsafe { MaybeUninit { uninit: () }.init };
|
|
//~^ ERROR evaluation of constant value failed
|
|
|
|
fn main() {}
|