Auto-generate files after cl/646470242
diff --git a/ruby/ext/google/protobuf_c/ruby-upb.h b/ruby/ext/google/protobuf_c/ruby-upb.h
index 73164b4..f749d24 100755
--- a/ruby/ext/google/protobuf_c/ruby-upb.h
+++ b/ruby/ext/google/protobuf_c/ruby-upb.h
@@ -13596,6 +13596,26 @@
#endif // UPB_MESSAGE_COPY_H_
+#ifndef THIRD_PARTY_UPB_UPB_MESSAGE_MERGE_H_
+#define THIRD_PARTY_UPB_UPB_MESSAGE_MERGE_H_
+
+
+// Must be last.
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+UPB_API bool upb_Message_MergeFrom(upb_Message* dst, const upb_Message* src,
+ const upb_MiniTable* mt,
+ const upb_ExtensionRegistry* extreg,
+ upb_Arena* arena);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif // THIRD_PARTY_UPB_UPB_MESSAGE_MERGE_H_
#ifndef UPB_MINI_DESCRIPTOR_INTERNAL_BASE92_H_
#define UPB_MINI_DESCRIPTOR_INTERNAL_BASE92_H_
