Created by: panyx0718

n file included from /root/build2/third_party/install/grpc/include/grpc++/impl/codegen/byte_buffer.h:25:0, from /root/build2/third_party/install/grpc/include/grpc++/impl/codegen/call.h:28, from /root/build2/third_party/install/grpc/include/grpc++/impl/codegen/async_stream.h:22, from /root/build2/third_party/install/grpc/include/grpc++/support/async_stream.h:22, from /root/build2/third_party/install/grpc/include/grpc++/generic/generic_stub.h:22, from /root/Paddle/paddle/fluid/operators/detail/grpc_client.h:27, from /root/Paddle/paddle/fluid/operators/test_send_nccl_id.cc:23: /root/build2/third_party/install/grpc/include/grpc++/impl/codegen/core_codegen_interface.h:41:7: error: 'class grpc::CoreCodegenInterface' has virtual functions and accessible non-virtual destructor [-Werror=non-virtual-dtor] class CoreCodegenInterface { ^ In file included from /root/build2/third_party/install/grpc/include/grpc++/channel.h:27:0, from /root/build2/third_party/install/grpc/include/grpc++/grpc++.h:52, from /root/Paddle/paddle/fluid/operators/detail/grpc_client.h:28, from /root/Paddle/paddle/fluid/operators/test_send_nccl_id.cc:23: /root/build2/third_party/install/grpc/include/grpc++/impl/codegen/grpc_library.h:26:7: error: 'class grpc::GrpcLibraryInterface' has virtual functions and accessible non-virtual destructor [-Werror=non-virtual-dtor] class GrpcLibraryInterface {