Add has_default_instance() to ImplicitWeakTypeHandler

protobuf-github-bot · copybara-github · commit 818b8efbaa20 · 2025-10-09T15:46:19.000-07:00
PiperOrigin-RevId: 817364660
diff --git a/src/google/protobuf/implicit_weak_message.h b/src/google/protobuf/implicit_weak_message.h
@@ -137,6 +137,7 @@ class ImplicitWeakTypeHandler {
   static void Merge(const MessageLite& from, MessageLite* to) {
     to->CheckTypeAndMergeFrom(from);
   }
+  static constexpr bool has_default_instance() { return false; }
 };
 
 }  // namespace internal

Original file line number	Diff line number	Diff line change
`@@ -137,6 +137,7 @@ class ImplicitWeakTypeHandler {`
`137`	`137`	`static void Merge(const MessageLite& from, MessageLite* to) {`
`138`	`138`	`to->CheckTypeAndMergeFrom(from);`
`139`	`139`	`}`
	`140`	`+ static constexpr bool has_default_instance() { return false; }`
`140`	`141`	`};`
`141`	`142`
`142`	`143`	`} // namespace internal`