* trans-array.c (gfc_build_null_descriptor): New function.
	(gfc_trans_static_array_pointer): Use it.
	* trans-array.h (gfc_build_null_descriptor): Add prototype.
	* trans-expr.c (gfc_conv_structure): Handle array pointers.
testsuite/
	* gfortran.fortran-torture/execute/der_init_5.f90: Enable more tests.

From-SVN: r84477