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Stop handling specialization in clippy's to_string_trait_impl lint

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ToString can no longer be specialized, so no need to account for it in
to_string_trait_impl either.
This commit is contained in:
bjorn3 2024-12-14 14:53:11 +00:00
parent f495cec548
commit bc410fc9f5
3 changed files with 1 additions and 59 deletions
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3
clippy_lints/src/to_string_trait_impl.rs
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@ -1,5 +1,4 @@
use clippy_utils::diagnostics::span_lint_and_help;
use clippy_utils::ty::implements_trait;
use rustc_hir::{Impl, Item, ItemKind};
use rustc_lint::{LateContext, LateLintPass};
use rustc_session::declare_lint_pass;
@ -54,8 +53,6 @@ impl<'tcx> LateLintPass<'tcx> for ToStringTraitImpl {
}) = it.kind
&& let Some(trait_did) = trait_ref.trait_def_id()
&& cx.tcx.is_diagnostic_item(sym::ToString, trait_did)
&& let Some(display_did) = cx.tcx.get_diagnostic_item(sym::Display)
&& !implements_trait(cx, cx.tcx.type_of(it.owner_id).instantiate_identity(), display_did, &[])
{
span_lint_and_help(
cx,