mirror of https://github.com/rust-lang/rust
98 lines
4.7 KiB
Plaintext
98 lines
4.7 KiB
Plaintext
error[E0080]: it is undefined behavior to use this value
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--> $DIR/static-no-inner-mut.rs:8:1
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LL | static REF: &AtomicI32 = &AtomicI32::new(42);
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| ^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value at .<deref>.v: encountered `UnsafeCell` in read-only memory
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= note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
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= note: the raw bytes of the constant (size: 8, align: 8) {
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╾ALLOC0╼ │ ╾──────╼
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}
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error[E0080]: it is undefined behavior to use this value
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--> $DIR/static-no-inner-mut.rs:11:1
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LL | static REFMUT: &mut i32 = &mut 0;
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| ^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered mutable reference or box pointing to read-only memory
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= note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
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= note: the raw bytes of the constant (size: 8, align: 8) {
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╾ALLOC1╼ │ ╾──────╼
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}
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error[E0080]: it is undefined behavior to use this value
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--> $DIR/static-no-inner-mut.rs:15:1
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LL | static REF2: &AtomicI32 = {let x = AtomicI32::new(42); &{x}};
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| ^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value at .<deref>.v: encountered `UnsafeCell` in read-only memory
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= note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
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= note: the raw bytes of the constant (size: 8, align: 8) {
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╾ALLOC2╼ │ ╾──────╼
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}
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error[E0080]: it is undefined behavior to use this value
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--> $DIR/static-no-inner-mut.rs:17:1
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LL | static REFMUT2: &mut i32 = {let mut x = 0; &mut {x}};
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| ^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered mutable reference or box pointing to read-only memory
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= note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior.
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= note: the raw bytes of the constant (size: 8, align: 8) {
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╾ALLOC3╼ │ ╾──────╼
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}
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error: encountered mutable pointer in final value of static
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--> $DIR/static-no-inner-mut.rs:34:1
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LL | static RAW_MUT_CAST: SyncPtr<i32> = SyncPtr { x : &mut 42 as *mut _ as *const _ };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: encountered mutable pointer in final value of static
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--> $DIR/static-no-inner-mut.rs:37:1
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LL | static RAW_MUT_COERCE: SyncPtr<i32> = SyncPtr { x: &mut 0 };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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warning: skipping const checks
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help: skipping check that does not even have a feature gate
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--> $DIR/static-no-inner-mut.rs:8:26
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LL | static REF: &AtomicI32 = &AtomicI32::new(42);
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| ^^^^^^^^^^^^^^^^^^^
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help: skipping check that does not even have a feature gate
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--> $DIR/static-no-inner-mut.rs:11:27
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LL | static REFMUT: &mut i32 = &mut 0;
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| ^^^^^^
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help: skipping check that does not even have a feature gate
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--> $DIR/static-no-inner-mut.rs:15:56
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LL | static REF2: &AtomicI32 = {let x = AtomicI32::new(42); &{x}};
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| ^^^^
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help: skipping check that does not even have a feature gate
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--> $DIR/static-no-inner-mut.rs:17:44
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LL | static REFMUT2: &mut i32 = {let mut x = 0; &mut {x}};
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| ^^^^^^^^
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help: skipping check that does not even have a feature gate
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--> $DIR/static-no-inner-mut.rs:31:52
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LL | static RAW_SYNC: SyncPtr<AtomicI32> = SyncPtr { x: &AtomicI32::new(42) };
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| ^^^^^^^^^^^^^^^^^^^
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help: skipping check that does not even have a feature gate
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--> $DIR/static-no-inner-mut.rs:34:51
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LL | static RAW_MUT_CAST: SyncPtr<i32> = SyncPtr { x : &mut 42 as *mut _ as *const _ };
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| ^^^^^^^
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help: skipping check that does not even have a feature gate
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--> $DIR/static-no-inner-mut.rs:37:52
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LL | static RAW_MUT_COERCE: SyncPtr<i32> = SyncPtr { x: &mut 0 };
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| ^^^^^^
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error: aborting due to 6 previous errors; 1 warning emitted
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For more information about this error, try `rustc --explain E0080`.
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