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error[E0764]: mutable references are not allowed in constants
--> $DIR/E0017.rs:5:30
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LL | const CR: &'static mut i32 = &mut C;
| ^^^^^^ `&mut` is only allowed in `const fn`
error[E0019]: static contains unimplemented expression type
--> $DIR/E0017.rs:6:39
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LL | static STATIC_REF: &'static mut i32 = &mut X;
| ^^^^^^
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= help: add `#![feature(const_mut_refs)]` to the crate attributes to enable
error[E0764]: mutable references are not allowed in statics
--> $DIR/E0017.rs:6:39
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LL | static STATIC_REF: &'static mut i32 = &mut X;
| ^^^^^^ `&mut` is only allowed in `const fn`
error[E0596]: cannot borrow immutable static item `X` as mutable
--> $DIR/E0017.rs:6:39
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LL | static STATIC_REF: &'static mut i32 = &mut X;
| ^^^^^^ cannot borrow as mutable
error[E0764]: mutable references are not allowed in statics
--> $DIR/E0017.rs:9:38
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LL | static CONST_REF: &'static mut i32 = &mut C;
| ^^^^^^ `&mut` is only allowed in `const fn`
error[E0764]: mutable references are not allowed in statics
--> $DIR/E0017.rs:10:52
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LL | static STATIC_MUT_REF: &'static mut i32 = unsafe { &mut M };
| ^^^^^^ `&mut` is only allowed in `const fn`
error: aborting due to 6 previous errors
Some errors have detailed explanations: E0019, E0596, E0764.
For more information about an error, try `rustc --explain E0019`.
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