1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
// run-rustfix
#![feature(custom_inner_attributes)]
#![warn(clippy::transmute_ptr_to_ref)]
#![allow(clippy::match_single_binding)]
unsafe fn _ptr_to_ref<T, U>(p: *const T, m: *mut T, o: *const U, om: *mut U) {
let _: &T = &*p;
let _: &T = &*p;
let _: &mut T = &mut *m;
let _: &mut T = &mut *m;
let _: &T = &*m;
let _: &T = &*m;
let _: &mut T = &mut *(p as *mut T);
let _ = &mut *(p as *mut T);
let _: &T = &*(o as *const T);
let _: &T = &*(o as *const T);
let _: &mut T = &mut *(om as *mut T);
let _: &mut T = &mut *(om as *mut T);
let _: &T = &*(om as *const T);
let _: &T = &*(om as *const T);
}
fn _issue1231() {
struct Foo<'a, T> {
bar: &'a T,
}
let raw = 42 as *const i32;
let _: &Foo<u8> = unsafe { &*raw.cast::<Foo<_>>() };
let _: &Foo<&u8> = unsafe { &*raw.cast::<Foo<&_>>() };
type Bar<'a> = &'a u8;
let raw = 42 as *const i32;
unsafe { &*(raw as *const u8) };
}
unsafe fn _issue8924<'a, 'b, 'c>(x: *const &'a u32, y: *const &'b u32) -> &'c &'b u32 {
match 0 {
0 => &*x.cast::<&u32>(),
1 => &*y.cast::<&u32>(),
2 => &*x.cast::<&'b u32>(),
_ => &*y.cast::<&'b u32>(),
}
}
unsafe fn _meets_msrv<'a, 'b, 'c>(x: *const &'a u32) -> &'c &'b u32 {
#![clippy::msrv = "1.38"]
let a = 0u32;
let a = &a as *const u32;
let _: &u32 = &*a;
let _: &u32 = &*a.cast::<u32>();
match 0 {
0 => &*x.cast::<&u32>(),
_ => &*x.cast::<&'b u32>(),
}
}
unsafe fn _under_msrv<'a, 'b, 'c>(x: *const &'a u32) -> &'c &'b u32 {
#![clippy::msrv = "1.37"]
let a = 0u32;
let a = &a as *const u32;
let _: &u32 = &*a;
let _: &u32 = &*(a as *const u32);
match 0 {
0 => &*(x as *const () as *const &u32),
_ => &*(x as *const () as *const &'b u32),
}
}
fn main() {}
|
