Fix redundant_locals for Async desugaring

This commit is contained in:
Philipp Krones 2023-08-11 10:51:18 +02:00
parent 61e9b157e2
commit 0fc051ddba
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@ -7,6 +7,7 @@ use rustc_lint::{LateContext, LateLintPass, LintContext};
use rustc_middle::lint::in_external_macro;
use rustc_session::{declare_lint_pass, declare_tool_lint};
use rustc_span::symbol::Ident;
use rustc_span::DesugaringKind;
declare_clippy_lint! {
/// ### What it does
@ -45,6 +46,7 @@ declare_lint_pass!(RedundantLocals => [REDUNDANT_LOCALS]);
impl<'tcx> LateLintPass<'tcx> for RedundantLocals {
fn check_local(&mut self, cx: &LateContext<'tcx>, local: &'tcx Local<'tcx>) {
if_chain! {
if !local.span.is_desugaring(DesugaringKind::Async);
// the pattern is a single by-value binding
if let PatKind::Binding(BindingAnnotation(ByRef::No, mutability), _, ident, None) = local.pat.kind;
// the binding is not type-ascribed