From 5728dceef0c4f0f7f070eb4568a4b0b0949a528c Mon Sep 17 00:00:00 2001
From: Charlie Marsh <charlie.r.marsh@gmail.com>
Date: Fri, 9 Dec 2022 23:18:51 -0500
Subject: [PATCH] Add note around redefinitions

---
 src/check_ast.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/check_ast.rs b/src/check_ast.rs
index 4852fba80a..4df87909b7 100644
--- a/src/check_ast.rs
+++ b/src/check_ast.rs
@@ -3202,6 +3202,9 @@ impl<'a> Checker<'a> {
                 }
             }
 
+            // Look for any bindings that were redefined in another scope, and remain unused.
+            // Note that we only store references in `redefinitions` if the bindings are in
+            // different scopes.
             if self.settings.enabled.contains(&CheckCode::F811) {
                 for (name, index) in &scope.values {
                     let binding = &self.bindings[*index];