From bf25fa1d19244c575f39b0c5ee2c5be96e7f861a Mon Sep 17 00:00:00 2001
From: CEL Dev Team <cel-dev@google.com>
Date: Fri, 26 Sep 2025 09:10:22 -0700
Subject: [PATCH] Make `CustomMapValueInterface::arena` nullable.

Default `CustomMapValue` constructor sets `arena` to `nullptr`,
and then there is no code which relies on `nonnull` of the
the `arena` pointer.

PiperOrigin-RevId: 811842550
---
 common/values/custom_map_value.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/values/custom_map_value.h b/common/values/custom_map_value.h
index c96a565bd..9e840e07f 100644
--- a/common/values/custom_map_value.h
+++ b/common/values/custom_map_value.h
@@ -263,7 +263,7 @@ class CustomMapValueInterface {
 
   struct Content {
     const CustomMapValueInterface* absl_nonnull interface;
-    google::protobuf::Arena* absl_nonnull arena;
+    google::protobuf::Arena* absl_nullable arena;
   };
 };