diff --git a/src/google/protobuf/message_lite.h b/src/google/protobuf/message_lite.h index a95db719900eb..80399826d6b13 100644 --- a/src/google/protobuf/message_lite.h +++ b/src/google/protobuf/message_lite.h @@ -941,6 +941,7 @@ class PROTOBUF_EXPORT MessageLite { return tc_table; } + #if defined(PROTOBUF_CUSTOM_VTABLE) explicit constexpr MessageLite(const internal::ClassData* data) : _class_data_(data) {}