message: Remove the MFEM_HOST_DEVICE specifiers from the `operator[]` methods
  in class TVector -- this was causing compilation errors when CUDA is
  enabled.
diff: @@ -297,8 +297,8 @@ public:
  typedef StridedLayout1D<S,1> layout_type;
  static const layout_type layout;
  - MFEM_HOST_DEVICE data_t &operator[](int i) { return data[i]; }
  - MFEM_HOST_DEVICE const data_t &operator[](int i) const { return data[i]; }
  + data_t &operator[](int i) { return data[i]; }
  + const data_t &operator[](int i) const { return data[i]; }
  template <AssignOp::Type Op>
  void Assign(const data_t d)
  