Thanks for your answer.
I think I can resort to the patch of GCC for NWCHEM6.6 to overcome this problem,
because the reinstallation of GCC will result in the recompilations of other softwares,
which is not very beneficial when there are not any updates of them.
I will do it later today.
Your suggestion will be followed if it is unsuccessful and there will be no patch to
remedy this when the formal one is released.