mirror of
https://github.com/rust-lang/rust
synced 2024-11-05 20:45:15 +00:00
31 lines
1.6 KiB
Text
31 lines
1.6 KiB
Text
warning: creating a shared reference to mutable static is discouraged
|
|
--> $DIR/static-mut-xc.rs:28:18
|
|
|
|
|
LL | static_bound(&static_mut_xc::a);
|
|
| ^^^^^^^^^^^^^^^^^ 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 | static_bound(addr_of!(static_mut_xc::a));
|
|
| ~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
warning: creating a mutable reference to mutable static is discouraged
|
|
--> $DIR/static-mut-xc.rs:30:22
|
|
|
|
|
LL | static_bound_set(&mut static_mut_xc::a);
|
|
| ^^^^^^^^^^^^^^^^^^^^^ mutable 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 mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
|
|
help: use `addr_of_mut!` instead to create a raw pointer
|
|
|
|
|
LL | static_bound_set(addr_of_mut!(static_mut_xc::a));
|
|
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
warning: 2 warnings emitted
|
|
|