From f7c7075fd9f08c8ffece0bbda5ca68836bb72bdd Mon Sep 17 00:00:00 2001
From: Paul Rigge <rigge@google.com>
Date: Mon, 7 Aug 2023 11:27:31 -0700
Subject: [PATCH] Add missing override to matcher.

---
 xls/ir/ir_matcher.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xls/ir/ir_matcher.h b/xls/ir/ir_matcher.h
index deb4f4dd7a..fa22d388fb 100644
--- a/xls/ir/ir_matcher.h
+++ b/xls/ir/ir_matcher.h
@@ -692,7 +692,7 @@ class ChannelNodeMatcher : public NodeMatcher {
 
   bool MatchAndExplain(const Node* node,
                        ::testing::MatchResultListener* listener) const override;
-  void DescribeTo(::std::ostream* os) const;
+  void DescribeTo(::std::ostream* os) const override;
 
  private:
   std::optional<::testing::Matcher<const ::xls::Channel*>> channel_matcher_;