From 87eded6500f1d1185ac7d0a951fe3aaac3d4dff4 Mon Sep 17 00:00:00 2001
From: "Samuel E. Moelius III" <sam@moeli.us>
Date: Tue, 21 Jun 2022 05:18:27 -0400
Subject: [PATCH] Fix `extra_unused_lifetimes` false positive

---
 clippy_lints/src/lifetimes.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/clippy_lints/src/lifetimes.rs b/clippy_lints/src/lifetimes.rs
index 93f566331..5c0bd57ac 100644
--- a/clippy_lints/src/lifetimes.rs
+++ b/clippy_lints/src/lifetimes.rs
@@ -92,7 +92,9 @@ impl<'tcx> LateLintPass<'tcx> for Lifetimes {
         if let ItemKind::Fn(ref sig, generics, id) = item.kind {
             check_fn_inner(cx, sig.decl, Some(id), None, generics, item.span, true);
         } else if let ItemKind::Impl(impl_) = item.kind {
-            report_extra_impl_lifetimes(cx, impl_);
+            if !item.span.from_expansion() {
+                report_extra_impl_lifetimes(cx, impl_);
+            }
         }
     }