summaryrefslogtreecommitdiffstats
path: root/src/test/ui/error-codes/E0017.stderr
blob: 830e4db345ac0e726634ee81109a61c4716cd8ee (plain)
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
warning: taking a mutable reference to a `const` item
  --> $DIR/E0017.rs:5:30
   |
LL | const CR: &'static mut i32 = &mut C;
   |                              ^^^^^^
   |
   = note: `#[warn(const_item_mutation)]` on by default
   = note: each usage of a `const` item creates a new temporary
   = note: the mutable reference will refer to this temporary, not the original `const` item
note: `const` item defined here
  --> $DIR/E0017.rs:2:1
   |
LL | const C: i32 = 2;
   | ^^^^^^^^^^^^

error[E0764]: mutable references are not allowed in the final value of constants
  --> $DIR/E0017.rs:5:30
   |
LL | const CR: &'static mut i32 = &mut C;
   |                              ^^^^^^

error[E0658]: mutation through a reference is not allowed in statics
  --> $DIR/E0017.rs:7:39
   |
LL | static STATIC_REF: &'static mut i32 = &mut X;
   |                                       ^^^^^^
   |
   = note: see issue #57349 <https://github.com/rust-lang/rust/issues/57349> for more information
   = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable

error[E0764]: mutable references are not allowed in the final value of statics
  --> $DIR/E0017.rs:7:39
   |
LL | static STATIC_REF: &'static mut i32 = &mut X;
   |                                       ^^^^^^

error[E0596]: cannot borrow immutable static item `X` as mutable
  --> $DIR/E0017.rs:7:39
   |
LL | static STATIC_REF: &'static mut i32 = &mut X;
   |                                       ^^^^^^ cannot borrow as mutable

warning: taking a mutable reference to a `const` item
  --> $DIR/E0017.rs:11:38
   |
LL | static CONST_REF: &'static mut i32 = &mut C;
   |                                      ^^^^^^
   |
   = note: each usage of a `const` item creates a new temporary
   = note: the mutable reference will refer to this temporary, not the original `const` item
note: `const` item defined here
  --> $DIR/E0017.rs:2:1
   |
LL | const C: i32 = 2;
   | ^^^^^^^^^^^^

error[E0764]: mutable references are not allowed in the final value of statics
  --> $DIR/E0017.rs:11:38
   |
LL | static CONST_REF: &'static mut i32 = &mut C;
   |                                      ^^^^^^

error[E0764]: mutable references are not allowed in the final value of statics
  --> $DIR/E0017.rs:13:52
   |
LL | static STATIC_MUT_REF: &'static mut i32 = unsafe { &mut M };
   |                                                    ^^^^^^

error: aborting due to 6 previous errors; 2 warnings emitted

Some errors have detailed explanations: E0596, E0658, E0764.
For more information about an error, try `rustc --explain E0596`.