From 35b564845c60282e32fe0704115fa7f243b20a25 Mon Sep 17 00:00:00 2001
From: Protobuf Team Bot <protobuf-github-bot@google.com>
Date: Wed, 20 Dec 2023 09:00:04 -0800
Subject: [PATCH] Do not define a `const` static variable as `constexpr`. While
 this is legal it is not supported in all toolchains.

Should fix https://github.com/protocolbuffers/protobuf/issues/15030

PiperOrigin-RevId: 592574780
---
 src/google/protobuf/message.cc | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/google/protobuf/message.cc b/src/google/protobuf/message.cc
index 26f6efc283..16f0862309 100644
--- a/src/google/protobuf/message.cc
+++ b/src/google/protobuf/message.cc
@@ -192,9 +192,10 @@ static std::string InitializationErrorStringImpl(const MessageLite& msg) {
   return DownCast<const Message&>(msg).InitializationErrorString();
 }
 
-constexpr MessageLite::DescriptorMethods Message::kDescriptorMethods = {
-    GetTypeNameImpl,
-    InitializationErrorStringImpl,
+PROTOBUF_CONSTINIT const MessageLite::DescriptorMethods
+    Message::kDescriptorMethods = {
+        GetTypeNameImpl,
+        InitializationErrorStringImpl,
 };
 
 namespace internal {