* trans-types.h (gfc_packed): New enum.
(gfc_get_nodesc_array_type): Change prototype to use new enum.
* trans-types.c (gfc_get_nodesc_array): Use gfc_packed for
argument packed.  Adapt all references to values accordingly.
(gfc_sym_type): Use enum values in call to gfc_get_nodesc_array.
(gfc_get_derived_type): Likewise.
* trans-array.c (gfc_build_constant_array_constructor): Likewise.
* trans-expr.c (gfc_get_interface_mapping_charlen): Changed packed
argument to type gfc_packed.
(gfc_add_interface_mapping): Use enum values in call to
gfc_get_interface_mapping.
* trans-decl.c (gfc_build_dummy_array_decl): Adapt to use enum
values when determining packing.

From-SVN: r123924