36 lines
2.0 KiB
Plaintext
36 lines
2.0 KiB
Plaintext
warning: reference to packed field is unaligned
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--> $DIR/packed-struct-borrow-element-64bit.rs:15:15
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LL | let brw = &foo.baz;
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| ^^^^^^^^
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #82523 <https://github.com/rust-lang/rust/issues/82523>
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= note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
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= help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
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note: the lint level is defined here
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--> $DIR/packed-struct-borrow-element-64bit.rs:12:8
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LL | #[warn(unaligned_references)]
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| ^^^^^^^^^^^^^^^^^^^^
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warning: 1 warning emitted
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Future incompatibility report: Future breakage diagnostic:
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warning: reference to packed field is unaligned
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--> $DIR/packed-struct-borrow-element-64bit.rs:15:15
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LL | let brw = &foo.baz;
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| ^^^^^^^^
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #82523 <https://github.com/rust-lang/rust/issues/82523>
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= note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced)
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= help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers)
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note: the lint level is defined here
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--> $DIR/packed-struct-borrow-element-64bit.rs:12:8
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LL | #[warn(unaligned_references)]
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| ^^^^^^^^^^^^^^^^^^^^
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