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Rollup merge of #127907 - RalfJung:byte_slice_in_packed_struct_with_derive, r=nnethercote

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built-in derive: remove BYTE_SLICE_IN_PACKED_STRUCT_WITH_DERIVE hack and lint

Fixes https://github.com/rust-lang/rust/issues/107457 by turning the lint into a hard error. The lint has been shown in future breakage reports since Rust 1.69 (released in April 2023).

Let's see (via crater) if enough time has passed since https://github.com/rust-lang/rust/pull/104429, and https://github.com/unicode-org/icu4x/pull/2834 has propagated far enough to let us make this a hard error.

Cc ``@nnethercote`` ``@Manishearth``
This commit is contained in:
Matthias Krüger 2024-08-05 05:40:19 +02:00 • committed by GitHub
commit d10f2b32f0
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8 changed files with 41 additions and 232 deletions
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7
compiler/rustc_lint/src/lib.rs
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@ -543,7 +543,7 @@ fn register_builtins(store: &mut LintStore) {
);
store.register_removed(
"suspicious_auto_trait_impls",
"no longer needed, see #93367 \
"no longer needed, see issue #93367 \
<https://github.com/rust-lang/rust/issues/93367> for more information",
);
store.register_removed(
@ -565,6 +565,11 @@ fn register_builtins(store: &mut LintStore) {
"box_pointers",
"it does not detect other kinds of allocations, and existed only for historical reasons",
);
store.register_removed(
"byte_slice_in_packed_struct_with_derive",
"converted into hard error, see issue #107457 \
<https://github.com/rust-lang/rust/issues/107457> for more information",
)
}
fn register_internals(store: &mut LintStore) {