Compilation fails with g++ 9

In file included from /usr/include/string.h:494,
                 from c++/libs/thirdparty/protobuf_ep-install/include/google/protobuf/stubs/port.h:38,
                 from c++/libs/thirdparty/protobuf_ep-install/include/google/protobuf/stubs/common.h:45,
                 from c++/src/orc_proto.pb.h:9,
                 from c++/src/orc_proto.pb.cc:4,
                 from ../c++/src/wrap/orc-proto-wrapper.cc:44:
In function ‘void* memset(void*, int, size_t)’,
    inlined from ‘void orc::proto::FileTail::SharedCtor()’ at c++/src/orc_proto.pb.cc:13453:11,
    inlined from ‘orc::proto::FileTail::FileTail()’ at c++/src/orc_proto.pb.cc:13426:13,
    inlined from ‘void protobuf_orc_5fproto_2eproto::InitDefaultsFileTailImpl()’ at c++/src/orc_proto.pb.cc:13421:1:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:71:33: error: ‘void* __builtin_memset(void*, int, long unsigned int)’ offset [33, 56] from the object at ‘orc::proto::_FileTail_default_instance_’ is out of the bounds of referenced subobject ‘orc::proto::FileTail::postscript_’ with type ‘orc::proto::PostScript*’ at offset 24 [-Werror=array-bounds]
   71 |   return __builtin___memset_chk (__dest, __ch, __len, __bos0 (__dest));
      |          ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

  DIAGNOSTIC_IGNORE("-Warray-bounds")