message: Fixed a bug in ex9p+CG.
diff: @@ -448,8 +448,9 @@ int main(int argc, char *argv[])
  // Implementation of class FE_Evolution
  FE_Evolution::FE_Evolution(ParBilinearForm &_M, ParBilinearForm &_K,
  ParLinearForm &_b)
  - : TimeDependentOperator(_M.Height()),
  - M(_M), K(_K), b(_b), M_solver(MPI_COMM_WORLD), z(_M.Height())
  + : TimeDependentOperator(_M.ParFESpace()->GetTrueVSize()),
  + M(_M), K(_K), b(_b), M_solver(MPI_COMM_WORLD),
  + z(M.ParFESpace()->GetTrueVSize())
  {
  if(M.GetAssemblyLevel() == AssemblyLevel::FULL)
  {
  @@ -484,7 +485,7 @@ void FE_Evolution::Mult(const Vector &x, Vector &y) const
  K_mat->Mult(x, z);
  }
  - z += b;
  + z += *B_vec;
  M_solver.Mult(z, y);
  }
  