src/mpi/parallelempi.cpp:1477: error: DEAD_STORE The value written to &chunk (type int) is never used. Showing all 1 steps of the trace src/mpi/parallelempi.cpp:1477:2: Write of unused value 1475. static long f(Stack, R * const & s, R * const &r, fMPI_Comm const & comm,fMPI_Op const &op) 1476. { 1477. int chunk = 1; ^ 1478. return MPI_Allreduce( (void *) (R*) s,(void *) (R*) r, 1 , MPI_TYPE::TYPE(),op,comm); 1479. }