From 321d649b519bae91c90cdebfb90a6655d9c301cd Mon Sep 17 00:00:00 2001
From: bcsgh <33939446+bcsgh@users.noreply.github.com>
Date: Wed, 14 Feb 2024 16:39:50 -0800
Subject: [PATCH] Avoid a 'may be used uninitialized' warning when built with
 '-c opt' (that could result in a non-null garbage pointer).

---
 src/google/protobuf/arena.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/google/protobuf/arena.cc b/src/google/protobuf/arena.cc
index bc162e9844596..170d004c96b1b 100644
--- a/src/google/protobuf/arena.cc
+++ b/src/google/protobuf/arena.cc
@@ -193,7 +193,7 @@ SizedPtr SerialArena::Free(Deallocator deallocator) {
 PROTOBUF_NOINLINE
 void* SerialArena::AllocateAlignedFallback(size_t n) {
   AllocateNewBlock(n);
-  void* ret;
+  void* ret = nullptr;
   bool res = MaybeAllocateAligned(n, &ret);
   ABSL_DCHECK(res);
   return ret;