From 8cab680cfdad79cf714829bd588fc9509c89e91b Mon Sep 17 00:00:00 2001
From: Yuriy Chernyshov <thegeorg@yandex-team.ru>
Date: Wed, 9 Jun 2021 16:15:47 +0300
Subject: [PATCH] Fix -Wunused-parameter introduced in 3.17.3

---
 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 232cbd498f75..897a70ffb8ab 100644
--- a/src/google/protobuf/arena.h
+++ b/src/google/protobuf/arena.h
@@ -442,7 +442,7 @@ class PROTOBUF_EXPORT PROTOBUF_ALIGNAS(8) Arena final {
     }
 
     static Arena* GetArenaForAllocationForNonMessageNonArenaConstructible(
-        const T* p, std::false_type /*has_get_arena*/) {
+        const T* /* p */, std::false_type /*has_get_arena*/) {
       return nullptr;
     }