rust/tests/ui/static/safe-extern-statics-mut.stderr
Esteban Küber abf92c049d Use more accurate span for addr_of! suggestion
Use a multipart suggestion instead of a single whole-span replacement:

```
error[E0796]: creating a shared reference to a mutable static
  --> $DIR/reference-to-mut-static-unsafe-fn.rs:10:18
   |
LL |         let _y = &X;
   |                  ^^ shared reference to mutable static
   |
   = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior
help: use `addr_of!` instead to create a raw pointer
   |
LL |         let _y = addr_of!(X);
   |                  ~~~~~~~~~ +
```
2024-07-18 18:39:20 +00:00

65 lines
2.8 KiB
Plaintext

warning: creating a shared reference to mutable static is discouraged
--> $DIR/safe-extern-statics-mut.rs:12:14
|
LL | let rb = &B;
| ^^ shared reference to mutable static
|
= note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
= note: this will be a hard error in the 2024 edition
= note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior
= note: `#[warn(static_mut_refs)]` on by default
help: use `addr_of!` instead to create a raw pointer
|
LL | let rb = addr_of!(B);
| ~~~~~~~~~ +
warning: creating a shared reference to mutable static is discouraged
--> $DIR/safe-extern-statics-mut.rs:15:15
|
LL | let xrb = &XB;
| ^^^ shared reference to mutable static
|
= note: for more information, see issue #114447 <https://github.com/rust-lang/rust/issues/114447>
= note: this will be a hard error in the 2024 edition
= note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior
help: use `addr_of!` instead to create a raw pointer
|
LL | let xrb = addr_of!(XB);
| ~~~~~~~~~ +
error[E0133]: use of mutable static is unsafe and requires unsafe function or block
--> $DIR/safe-extern-statics-mut.rs:11:13
|
LL | let b = B;
| ^ use of mutable static
|
= note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior
error[E0133]: use of mutable static is unsafe and requires unsafe function or block
--> $DIR/safe-extern-statics-mut.rs:12:15
|
LL | let rb = &B;
| ^ use of mutable static
|
= note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior
error[E0133]: use of mutable static is unsafe and requires unsafe function or block
--> $DIR/safe-extern-statics-mut.rs:14:14
|
LL | let xb = XB;
| ^^ use of mutable static
|
= note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior
error[E0133]: use of mutable static is unsafe and requires unsafe function or block
--> $DIR/safe-extern-statics-mut.rs:15:16
|
LL | let xrb = &XB;
| ^^ use of mutable static
|
= note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior
error: aborting due to 4 previous errors; 2 warnings emitted
For more information about this error, try `rustc --explain E0133`.