message: Make class ParMesh a friend of class FaceElementTransformations.
diff: @@ -460,6 +460,9 @@ private:
  protected: // interface for Mesh to be able to configure this object.
  friend class Mesh;
  +#ifdef MFEM_USE_MPI
  + friend class ParMesh;
  +#endif
  /// Set the mask indicating which portions of the object have been setup
  /** The argument @a m is a bitmask used in
  