mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-24 13:43:17 +00:00
6faf1330aa
This matches mem::transmute::<&T, &mut T> lint in rustc.
22 lines
848 B
Text
22 lines
848 B
Text
error: casting &T to &mut T may cause undefined behaviour, consider instead using an UnsafeCell
|
|
--> $DIR/cast_ref_to_mut.rs:18:9
|
|
|
|
|
LL | (*(a as *const _ as *mut String)).push_str(" world");
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
= note: `-D clippy::cast-ref-to-mut` implied by `-D warnings`
|
|
|
|
error: casting &T to &mut T may cause undefined behaviour, consider instead using an UnsafeCell
|
|
--> $DIR/cast_ref_to_mut.rs:19:9
|
|
|
|
|
LL | *(a as *const _ as *mut _) = String::from("Replaced");
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: casting &T to &mut T may cause undefined behaviour, consider instead using an UnsafeCell
|
|
--> $DIR/cast_ref_to_mut.rs:20:9
|
|
|
|
|
LL | *(a as *const _ as *mut String) += " world";
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error: aborting due to 3 previous errors
|
|
|