[Patch, fortran] PR29490 - ICE whilst building formal/actual interface

[FX Coudert]

> In this case, trans-types.c(gfc_get_nodesc_array_type)
> declines to set GFC_TYPE_ARRAY_LBOUND or GFC_TYPE_ARRAY_UBOUND
> and gfc_set_interface_mapping_bounds.  The solution is to use
> the descriptor values for both bounds.  The testcase is that
> provided by the reporter.

I would just like confirmation that, if GFC_TYPE_ARRAY_LBOUND is not  
set, then GFC_TYPE_ARRAY_UBOUND is garanteed not to be set either.  
Perhaps an assert in the code would help?

Otherwise,

> 2006-10-19  Paul Thomas  <pault@gcc.gnu.org>
>
> 	PR fortran/29490
> 	* trans-expr.c (gfc_set_interface_mapping_bounds): In the case
> 	that GFC_TYPE_ARRAY_LBOUND is not available, use descriptor
> 	values for it and GFC_TYPE_ARRAY_UBOUND.
>
> 2006-10-19  Paul Thomas  <pault@gcc.gnu.org>
>
> 	PR fortran/29490
> 	* gfortran.dg/actual_array_interface_1.f90: New test.

OK.