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Rename cast_ref_to_mut lint to invalid_reference_casting

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This commit is contained in:
Urgau 2023-07-06 21:45:24 +02:00
parent a161ab00db
commit 3dbbf23e29
9 changed files with 28 additions and 28 deletions
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2
tests/ui/const-generics/issues/issue-100313.stderr
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@ -4,7 +4,7 @@ error: casting `&T` to `&mut T` is undefined behavior, even if the reference is
LL | *(B as *const bool as *mut bool) = false;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `#[deny(cast_ref_to_mut)]` on by default
= note: `#[deny(invalid_reference_casting)]` on by default
error[E0080]: evaluation of constant value failed
--> $DIR/issue-100313.rs:10:13

0
tests/ui/lint/cast_ref_to_mut.rs → tests/ui/lint/reference_casting.rs
View file

22
tests/ui/lint/cast_ref_to_mut.stderr → tests/ui/lint/reference_casting.stderr
View file

@ -1,61 +1,61 @@
error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
--> $DIR/cast_ref_to_mut.rs:19:9
--> $DIR/reference_casting.rs:19:9
|
LL | (*(a as *const _ as *mut String)).push_str(" world");
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `#[deny(cast_ref_to_mut)]` on by default
= note: `#[deny(invalid_reference_casting)]` on by default
error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
--> $DIR/cast_ref_to_mut.rs:21:9
--> $DIR/reference_casting.rs:21:9
|
LL | *(a as *const _ as *mut _) = String::from("Replaced");
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
--> $DIR/cast_ref_to_mut.rs:23:9
--> $DIR/reference_casting.rs:23:9
|
LL | *(a as *const _ as *mut String) += " world";
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
--> $DIR/cast_ref_to_mut.rs:25:25
--> $DIR/reference_casting.rs:25:25
|
LL | let _num = &mut *(num as *const i32 as *mut i32);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
--> $DIR/cast_ref_to_mut.rs:27:25
--> $DIR/reference_casting.rs:27:25
|
LL | let _num = &mut *(num as *const i32).cast_mut();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
--> $DIR/cast_ref_to_mut.rs:29:20
--> $DIR/reference_casting.rs:29:20
|
LL | let _num = *{ num as *const i32 }.cast_mut();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
--> $DIR/cast_ref_to_mut.rs:31:9
--> $DIR/reference_casting.rs:31:9
|
LL | *std::ptr::from_ref(num).cast_mut() += 1;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
--> $DIR/cast_ref_to_mut.rs:33:9
--> $DIR/reference_casting.rs:33:9
|
LL | *std::ptr::from_ref({ num }).cast_mut() += 1;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
--> $DIR/cast_ref_to_mut.rs:35:9
--> $DIR/reference_casting.rs:35:9
|
LL | *{ std::ptr::from_ref(num) }.cast_mut() += 1;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: casting `&T` to `&mut T` is undefined behavior, even if the reference is unused, consider instead using an `UnsafeCell`
--> $DIR/cast_ref_to_mut.rs:37:9
--> $DIR/reference_casting.rs:37:9
|
LL | *(std::ptr::from_ref({ num }) as *mut i32) += 1;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^