2013-02-06  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/55978
	* runtime/in_pack_generic.c (internal_pack): Return if base_addr is
	NULL.

2013-02-06  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/55978
	* gfortran.dg/class_optional_2.f90: Uncomment some cases which work now.

From-SVN: r195814