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37 lines
2.1 KiB
Plaintext
37 lines
2.1 KiB
Plaintext
error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
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--> tests/ui-msrv/transmute-mut-alignment-increase.rs:19:39
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19 | const INCREASE_ALIGNMENT: &mut AU16 = transmute_mut!(&mut [0u8; 2]);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: source type: `AlignOf<[u8; 2]>` (8 bits)
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= note: target type: `MaxAlignsOf<[u8; 2], AU16>` (16 bits)
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= note: this error originates in the macro `$crate::assert_align_gt_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
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error[E0658]: mutable references are not allowed in constants
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--> tests/ui-msrv/transmute-mut-alignment-increase.rs:19:54
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19 | const INCREASE_ALIGNMENT: &mut AU16 = transmute_mut!(&mut [0u8; 2]);
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| ^^^^^^^^^^^^^
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= note: see issue #57349 <https://github.com/rust-lang/rust/issues/57349> for more information
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error[E0015]: cannot call non-const fn `transmute_mut::<[u8; 2], AU16>` in constants
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--> tests/ui-msrv/transmute-mut-alignment-increase.rs:19:39
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19 | const INCREASE_ALIGNMENT: &mut AU16 = transmute_mut!(&mut [0u8; 2]);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: calls in constants are limited to constant functions, tuple structs and tuple variants
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= note: this error originates in the macro `transmute_mut` (in Nightly builds, run with -Z macro-backtrace for more info)
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error[E0716]: temporary value dropped while borrowed
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--> tests/ui-msrv/transmute-mut-alignment-increase.rs:19:59
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19 | const INCREASE_ALIGNMENT: &mut AU16 = transmute_mut!(&mut [0u8; 2]);
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| --------------------^^^^^^^^-
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| | |
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| | creates a temporary which is freed while still in use
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| temporary value is freed at the end of this statement
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| using this value as a constant requires that borrow lasts for `'static`
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