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Pass correct substs to implements_trait in incorrect_impls #11122

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Jul 7, 2023
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Pass correct substs to implements_trait in incorrect_impls #11122

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10 changes: 3 additions & 7 deletions clippy_lints/src/incorrect_impls.rs
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Original file line number Diff line number Diff line change
@@ -1,7 +1,6 @@
use clippy_utils::{diagnostics::span_lint_and_sugg, get_parent_node, last_path_segment, ty::implements_trait};
use rustc_errors::Applicability;
use rustc_hir::{ExprKind, ImplItem, ImplItemKind, ItemKind, Node, UnOp};
use rustc_hir_analysis::hir_ty_to_ty;
use rustc_hir::{ExprKind, ImplItem, ImplItemKind, Node, UnOp};
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::ty::EarlyBinder;
use rustc_session::{declare_lint_pass, declare_tool_lint};
Expand Down Expand Up @@ -55,9 +54,6 @@ impl LateLintPass<'_> for IncorrectImpls {
let Some(Node::Item(item)) = node else {
return;
};
let ItemKind::Impl(imp) = item.kind else {
return;
};
let Some(trait_impl) = cx.tcx.impl_trait_ref(item.owner_id).map(EarlyBinder::skip_binder) else {
return;
};
Expand All @@ -80,9 +76,9 @@ impl LateLintPass<'_> for IncorrectImpls {
&& let Some(copy_def_id) = cx.tcx.get_diagnostic_item(sym::Copy)
&& implements_trait(
cx,
hir_ty_to_ty(cx.tcx, imp.self_ty),
trait_impl.self_ty(),
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I also removed a needless hir_ty_to_ty here.

copy_def_id,
trait_impl.substs,
&[],
)
{
if impl_item.ident.name == sym::clone {
Expand Down