[Patch, fortran] PR67564 Segfault on sourced allocattion statement with class(*) arrays

[Paul Richard Thomas]

Committed as 'obvious' in revision 241869.

This fixes the problem in comment #9. Andre seems to have fixed
comment #10 and so I am closing the PR.

Paul

2016-11-05  Paul Thomas  <pa...@gcc.gnu.org>

    PR fortran/67564
    * trans-expr.c (gfc_conv_class_to_class): Return _len component
    of unlimited polymorphic entities.

2016-11-05  Paul Thomas  <pa...@gcc.gnu.org>

    PR fortran/67564
    * gfortran.dg/select_type_39.f03: New test.