bjoernager/rust
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Remove usage of specialization from newtype_index!

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bjorn3 2023-12-31 18:35:49 +00:00
parent 2975a21b5d
commit f23c1fdaeb
4 changed files with 3 additions and 13 deletions
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5
compiler/rustc_index_macros/src/lib.rs
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@ -34,10 +34,7 @@ mod newtype;
/// optimizations. The default max value is 0xFFFF_FF00.
/// - `#[gate_rustc_only]`: makes parts of the generated code nightly-only.
#[proc_macro]
#[cfg_attr(
feature = "nightly",
allow_internal_unstable(step_trait, rustc_attrs, trusted_step, min_specialization)
)]
#[cfg_attr(feature = "nightly", allow_internal_unstable(step_trait, rustc_attrs, trusted_step))]
pub fn newtype_index(input: TokenStream) -> TokenStream {
newtype::newtype(input)
}

4
compiler/rustc_index_macros/src/newtype.rs
View file

@ -139,10 +139,6 @@ impl Parse for Newtype {
Self::index(start).checked_sub(u).map(Self::from_usize)
}
}
// Safety: The implementation of `Step` upholds all invariants.
#gate_rustc_only
unsafe impl ::std::iter::TrustedStep for #name {}
}
} else {
quote! {}