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