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avoid some &str to String conversions

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This commit is contained in:
Takayuki Maeda 2022-07-10 03:18:56 +09:00
parent fac8fa5672
commit bda83e6543
13 changed files with 23 additions and 34 deletions
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4
compiler/rustc_mir_transform/src/check_packed_ref.rs
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@ -39,13 +39,11 @@ fn unsafe_derive_on_repr_packed(tcx: TyCtxt<'_>, def_id: LocalDefId) {
let message = if tcx.generics_of(def_id).own_requires_monomorphization() {
"`#[derive]` can't be used on a `#[repr(packed)]` struct with \
type or const parameters (error E0133)"
.to_string()
} else {
"`#[derive]` can't be used on a `#[repr(packed)]` struct that \
does not derive Copy (error E0133)"
.to_string()
};
lint.build(&message).emit();
lint.build(message).emit();
});
}