MacOS GCC-10 WARNING -Winvalid-offsetof

[kuvaldini]

[306/743] Building CXX object shared_model/backend/protobuf/CMakeFiles/shared_model_proto_backend.dir/query_responses/impl/proto_engine_receipt.o
In file included from /usr/local/Cellar/gcc/10.2.0_4/include/c++/10.2.0/bits/cxxabi_init_exception.h:38,
                 from /usr/local/Cellar/gcc/10.2.0_4/include/c++/10.2.0/bits/exception_ptr.h:38,
                 from /usr/local/Cellar/gcc/10.2.0_4/include/c++/10.2.0/exception:147,
                 from /usr/local/Cellar/gcc/10.2.0_4/include/c++/10.2.0/new:41,
                 from /Users/tanya/devel/vcpkg-gcc/installed/x64-osx/include/boost/optional/optional.hpp:20,
                 from /Users/tanya/devel/vcpkg-gcc/installed/x64-osx/include/boost/optional.hpp:15,
                 from ../shared_model/interfaces/query_responses/engine_receipt.hpp:11,
                 from ../shared_model/backend/protobuf/query_responses/proto_engine_receipt.hpp:9,
                 from ../shared_model/backend/protobuf/query_responses/impl/proto_engine_receipt.cpp:6:
../shared_model/backend/protobuf/query_responses/impl/proto_engine_receipt.cpp: In constructor 'shared_model::proto::EngineReceipt::EngineReceipt(const TransportType&)':
../shared_model/backend/protobuf/query_responses/impl/proto_engine_receipt.cpp:36:26: warning: 'offsetof' within non-standard-layout type 'shared_model::proto::EngineReceipt' is conditionally-supported [-Winvalid-offsetof]
   36 |   static_assert(offsetof(EngineReceipt, response_data_)
      |                          ^
../shared_model/backend/protobuf/query_responses/impl/proto_engine_receipt.cpp:37:32: warning: 'offsetof' within non-standard-layout type 'shared_model::proto::EngineReceipt' is conditionally-supported [-Winvalid-offsetof]
   37 |                     < offsetof(EngineReceipt, call_result_),
      |                                ^