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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
error[E0658]: use of unstable library feature `unstable`
--> $DIR/const-unstable-intrinsic.rs:17:9
|
LL | unstable_intrinsic::size_of_val(&x);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #42 <https://github.com/rust-lang/rust/issues/42> for more information
= help: add `#![feature(unstable)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
error[E0658]: use of unstable library feature `unstable`
--> $DIR/const-unstable-intrinsic.rs:20:9
|
LL | unstable_intrinsic::min_align_of_val(&x);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #42 <https://github.com/rust-lang/rust/issues/42> for more information
= help: add `#![feature(unstable)]` to the crate attributes to enable
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
error: `size_of_val` is not yet stable as a const intrinsic
--> $DIR/const-unstable-intrinsic.rs:17:9
|
LL | unstable_intrinsic::size_of_val(&x);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: add `#![feature(unstable)]` to the crate attributes to enable
error: `min_align_of_val` is not yet stable as a const intrinsic
--> $DIR/const-unstable-intrinsic.rs:20:9
|
LL | unstable_intrinsic::min_align_of_val(&x);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: add `#![feature(unstable)]` to the crate attributes to enable
error: const function that might be (indirectly) exposed to stable cannot use `#[feature(local)]`
--> $DIR/const-unstable-intrinsic.rs:24:9
|
LL | size_of_val(&x);
| ^^^^^^^^^^^^^^^
|
help: if the function is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do)
|
LL + #[rustc_const_unstable(feature = "...", issue = "...")]
LL | const fn const_main() {
|
help: otherwise, as a last resort `#[rustc_allow_const_fn_unstable]` can be used to bypass stability checks (this requires team approval)
|
LL + #[rustc_allow_const_fn_unstable(local)]
LL | const fn const_main() {
|
error: const function that might be (indirectly) exposed to stable cannot use `#[feature(local)]`
--> $DIR/const-unstable-intrinsic.rs:26:9
|
LL | min_align_of_val(&x);
| ^^^^^^^^^^^^^^^^^^^^
|
help: if the function is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do)
|
LL + #[rustc_const_unstable(feature = "...", issue = "...")]
LL | const fn const_main() {
|
help: otherwise, as a last resort `#[rustc_allow_const_fn_unstable]` can be used to bypass stability checks (this requires team approval)
|
LL + #[rustc_allow_const_fn_unstable(local)]
LL | const fn const_main() {
|
error: intrinsic `copy::copy` cannot be (indirectly) exposed to stable
--> $DIR/const-unstable-intrinsic.rs:53:14
|
LL | unsafe { copy(src, dst, count) }
| ^^^^^^^^^^^^^^^^^^^^^
|
= help: mark the caller as `#[rustc_const_unstable]`, or mark the intrinsic `#[rustc_intrinsic_const_stable_indirect]` (but this requires team approval)
error: const function that might be (indirectly) exposed to stable cannot use `#[feature(local)]`
--> $DIR/const-unstable-intrinsic.rs:61:9
|
LL | super::size_of_val(src);
| ^^^^^^^^^^^^^^^^^^^^^^^
|
help: if the function is not (yet) meant to be exposed to stable, add `#[rustc_const_unstable]` (this is what you probably want to do)
|
LL + #[rustc_const_unstable(feature = "...", issue = "...")]
LL | const unsafe fn copy<T>(src: *const T, _dst: *mut T, _count: usize) {
|
help: otherwise, as a last resort `#[rustc_allow_const_fn_unstable]` can be used to bypass stability checks (this requires team approval)
|
LL + #[rustc_allow_const_fn_unstable(local)]
LL | const unsafe fn copy<T>(src: *const T, _dst: *mut T, _count: usize) {
|
error: aborting due to 8 previous errors
For more information about this error, try `rustc --explain E0658`.
|
