PR fortran/41298
* trans-expr.c (gfc_trans_structure_assign): Handle
c_null_(fun)ptr.
* symbol.c (gen_special_c_interop_ptr): Add NULL_EXPR
to the constructor for c_null_(fun)ptr.
* resolve.c (resolve_structure_cons): Add special case
for c_null_(fun)ptr.
2010-01-09 Tobias Burnus <burnus@net-b.de>
PR fortran/41298
* gfortran.dg/c_ptr_tests_14.f90: New test.