3 #![warn(clippy::transmute_ptr_to_ref)]
4 #![allow(clippy::match_single_binding)]
6 unsafe fn _ptr_to_ref<T, U>(p: *const T, m: *mut T, o: *const U, om: *mut U) {
10 let _: &mut T = &mut *m;
11 let _: &mut T = &mut *m;
16 let _: &mut T = &mut *(p as *mut T);
17 let _ = &mut *(p as *mut T);
19 let _: &T = &*(o as *const T);
20 let _: &T = &*(o as *const T);
22 let _: &mut T = &mut *(om as *mut T);
23 let _: &mut T = &mut *(om as *mut T);
25 let _: &T = &*(om as *const T);
26 let _: &T = &*(om as *const T);
34 let raw = 42 as *const i32;
35 let _: &Foo<u8> = unsafe { &*raw.cast::<Foo<_>>() };
37 let _: &Foo<&u8> = unsafe { &*raw.cast::<Foo<&_>>() };
39 type Bar<'a> = &'a u8;
40 let raw = 42 as *const i32;
41 unsafe { &*(raw as *const u8) };
44 unsafe fn _issue8924<'a, 'b, 'c>(x: *const &'a u32, y: *const &'b u32) -> &'c &'b u32 {
46 0 => &*x.cast::<&u32>(),
47 1 => &*y.cast::<&u32>(),
48 2 => &*x.cast::<&'b u32>(),
49 _ => &*y.cast::<&'b u32>(),
53 #[clippy::msrv = "1.38"]
54 unsafe fn _meets_msrv<'a, 'b, 'c>(x: *const &'a u32) -> &'c &'b u32 {
56 let a = &a as *const u32;
58 let _: &u32 = &*a.cast::<u32>();
60 0 => &*x.cast::<&u32>(),
61 _ => &*x.cast::<&'b u32>(),
65 #[clippy::msrv = "1.37"]
66 unsafe fn _under_msrv<'a, 'b, 'c>(x: *const &'a u32) -> &'c &'b u32 {
68 let a = &a as *const u32;
70 let _: &u32 = &*(a as *const u32);
72 0 => &*(x as *const () as *const &u32),
73 _ => &*(x as *const () as *const &'b u32),