New upstream version 1.69.0+dfsg1

[rustc.git] / src / tools / clippy / clippy_lints / src / methods / mut_mutex_lock.rs

diff --git a/src/tools/clippy/clippy_lints/src/methods/mut_mutex_lock.rs b/src/tools/clippy/clippy_lints/src/methods/mut_mutex_lock.rs
index b9593b3687d9cf3633d93dc397eda0893dd729c3..d0aa39d06275a6207081124d379d995e3879600a 100644 (file)
--- a/src/tools/clippy/clippy_lints/src/methods/mut_mutex_lock.rs
+++ b/src/tools/clippy/clippy_lints/src/methods/mut_mutex_lock.rs
@@ -15,7 +15,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, ex: &'tcx Expr<'tcx>, recv: &'
         if let ty::Ref(_, _, Mutability::Mut) = cx.typeck_results().expr_ty(recv).kind();
         if let Some(method_id) = cx.typeck_results().type_dependent_def_id(ex.hir_id);
         if let Some(impl_id) = cx.tcx.impl_of_method(method_id);
-        if is_type_diagnostic_item(cx, cx.tcx.type_of(impl_id), sym::Mutex);
+        if is_type_diagnostic_item(cx, cx.tcx.type_of(impl_id).subst_identity(), sym::Mutex);
         then {
             span_lint_and_sugg(
                 cx,