re PR fortran/64757 (ICE in fold_convert_loc, at fold-const.c:2353)

re PR fortran/64757 (ICE in fold_convert_loc, at fold-const.c:2353)

2015-02-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/64757
	* resolve.c (resolve_structure_cons): Obtain the rank of class
	components.
	* trans-expr.c (gfc_trans_alloc_subarray_assign): Do the
	assignment to allocatable class array components.
	(alloc_scalar_allocatable_for_subcomponent_assignment): If comp
	is a class component, allocate to the _data field.
	(gfc_trans_subcomponent_assign): If a class component with a
	derived type expression set the _vptr field and for array
	components, call gfc_trans_alloc_subarray_assign. For scalars,
	the assignment is performed here.

2015-02-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/64757
	* gfortran.dg/type_to_class_2.f90: New test
	* gfortran.dg/type_to_class_3.f90: New test

From-SVN: r220436