3 #![feature(custom_inner_attributes)]
4 #![warn(clippy::transmute_ptr_to_ref)]
5 #![allow(clippy::match_single_binding)]
7 unsafe fn _ptr_to_ref<T, U>(p: *const T, m: *mut T, o: *const U, om: *mut U) {
8 let _: &T = std::mem::transmute(p);
11 let _: &mut T = std::mem::transmute(m);
12 let _: &mut T = &mut *m;
14 let _: &T = std::mem::transmute(m);
17 let _: &mut T = std::mem::transmute(p as *mut T);
18 let _ = &mut *(p as *mut T);
20 let _: &T = std::mem::transmute(o);
21 let _: &T = &*(o as *const T);
23 let _: &mut T = std::mem::transmute(om);
24 let _: &mut T = &mut *(om as *mut T);
26 let _: &T = std::mem::transmute(om);
27 let _: &T = &*(om as *const T);
35 let raw = 42 as *const i32;
36 let _: &Foo<u8> = unsafe { std::mem::transmute::<_, &Foo<_>>(raw) };
38 let _: &Foo<&u8> = unsafe { std::mem::transmute::<_, &Foo<&_>>(raw) };
40 type Bar<'a> = &'a u8;
41 let raw = 42 as *const i32;
42 unsafe { std::mem::transmute::<_, Bar>(raw) };
45 unsafe fn _issue8924<'a, 'b, 'c>(x: *const &'a u32, y: *const &'b u32) -> &'c &'b u32 {
47 0 => std::mem::transmute(x),
48 1 => std::mem::transmute(y),
49 2 => std::mem::transmute::<_, &&'b u32>(x),
50 _ => std::mem::transmute::<_, &&'b u32>(y),
54 unsafe fn _meets_msrv<'a, 'b, 'c>(x: *const &'a u32) -> &'c &'b u32 {
55 #![clippy::msrv = "1.38"]
57 let a = &a as *const u32;
58 let _: &u32 = std::mem::transmute(a);
59 let _: &u32 = std::mem::transmute::<_, &u32>(a);
61 0 => std::mem::transmute(x),
62 _ => std::mem::transmute::<_, &&'b u32>(x),
66 unsafe fn _under_msrv<'a, 'b, 'c>(x: *const &'a u32) -> &'c &'b u32 {
67 #![clippy::msrv = "1.37"]
69 let a = &a as *const u32;
70 let _: &u32 = std::mem::transmute(a);
71 let _: &u32 = std::mem::transmute::<_, &u32>(a);
73 0 => std::mem::transmute(x),
74 _ => std::mem::transmute::<_, &&'b u32>(x),