src/mpi/parallelempi.cpp:2311: error: DEAD_STORE
  The value written to &err (type int) is never used.
Showing all 1 steps of the trace


src/mpi/parallelempi.cpp:2311:5: Write of unused value
2309.   {
2310.       int err;
2311.       err=MPI_Intercomm_create(p1.comm, p1.who, p2.comm,p2.who,tag, *a);     
            ^
2312.       return a;	
2313.   }