My pytorch build fails after this patch was merged:
https://github.com/pytorch/pytorch/commit/ea61c9cb299b6dfebc57dc9d8821c34321d568ab
Errors I get:
/Projects/pytorch/torch/csrc/distributed/c10d/ProcessGroupMPI.cpp:270:17: error: cannot initialize a variable of type 'MPI_Group' (aka 'int') with an rvalue of type 'std::nullptr_t' MPI_Group worldGroup = nullptr; ^ ~~~~~~~ /Projects/pytorch/torch/csrc/distributed/c10d/ProcessGroupMPI.cpp:271:17: error: cannot initialize a variable of type 'MPI_Group' (aka 'int') with an rvalue of type 'std::nullptr_t' MPI_Group ranksGroup = nullptr;
I build torch with clang and USE_CUDA=OFF. Is this an issue on my side or a bug?