message: Update general/mem_manager.hpp
diff: @@ -911,7 +911,7 @@ inline void Memory<T>::CopyFrom(const Memory &src, int size)
  {
  if (h_ptr != src.h_ptr && size != 0)
  {
  - MFEM_ASSERT(h_ptr + size <= src || src.h_ptr + size <= h_ptr,
  + MFEM_ASSERT(h_ptr + size <= src.h_ptr || src.h_ptr + size <= h_ptr,
  "data overlaps!");
  std::memcpy(h_ptr, src, size*sizeof(T));
  }
  