2 #![feature(core_intrinsics)]
5 use std::intrinsics::{init, uninit};
10 ref_to_zeroed_std(&x);
11 ref_to_zeroed_core(&x);
12 ref_to_zeroed_intr(&x);
13 ref_to_uninit_std(&x);
14 ref_to_uninit_core(&x);
15 ref_to_uninit_intr(&x);
23 unsafe fn ref_to_zeroed_std<T: ?Sized>(t: &T) {
24 let ref_zero: &T = std::mem::zeroed(); // warning
27 unsafe fn ref_to_zeroed_core<T: ?Sized>(t: &T) {
28 let ref_zero: &T = core::mem::zeroed(); // warning
31 unsafe fn ref_to_zeroed_intr<T: ?Sized>(t: &T) {
32 let ref_zero: &T = std::intrinsics::init(); // warning
35 unsafe fn ref_to_uninit_std<T: ?Sized>(t: &T) {
36 let ref_uninit: &T = std::mem::uninitialized(); // warning
39 unsafe fn ref_to_uninit_core<T: ?Sized>(t: &T) {
40 let ref_uninit: &T = core::mem::uninitialized(); // warning
43 unsafe fn ref_to_uninit_intr<T: ?Sized>(t: &T) {
44 let ref_uninit: &T = std::intrinsics::uninit(); // warning
51 unsafe fn std_zeroed_no_ref() {
52 let mem_zero: usize = std::mem::zeroed(); // no warning
55 unsafe fn core_zeroed_no_ref() {
56 let mem_zero: usize = core::mem::zeroed(); // no warning
59 unsafe fn intr_init_no_ref() {
60 let mem_zero: usize = std::intrinsics::init(); // no warning