From 90d4f31438da1852a1f6f2e420d861b7cd272ba1 Mon Sep 17 00:00:00 2001
From: Yuriy Chernyshov <thegeorg@yandex-team.ru>
Date: Tue, 11 May 2021 01:50:15 +0500
Subject: [PATCH]  Fix newly appeared -Wunused-parameter (#8587)

This is #8584 applied to 3.17.x
---
 src/google/protobuf/arena.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/google/protobuf/arena.h b/src/google/protobuf/arena.h
index f84e505ebb44..e5d79d163f9f 100644
--- a/src/google/protobuf/arena.h
+++ b/src/google/protobuf/arena.h
@@ -709,7 +709,7 @@ class PROTOBUF_EXPORT PROTOBUF_ALIGNAS(8) Arena final {
   }
   template <typename T>
   PROTOBUF_ALWAYS_INLINE static Arena* GetOwningArenaInternal(
-      const T* value, std::false_type) {
+      const T* /* value */, std::false_type) {
     return nullptr;
   }