[Patch, fortran] PR80442 Handle DATA statement with iteration var in array slice

[Nicolas Koenig]

Ping
Also, attached is a better test case.


On 05/09/2017 10:49 PM, Nicolas Koenig wrote:
> Hello everyone,
>
> since everybody seems to be submitting patches the last few days, I 
> thought I might as well :)
> Attached is a patch that makes the compiler capable of dealing with 
> implied do variables in
> array slices in data statements.
> The copying of the expressions is necessary since 
> gfc_simplify_expr(expr, 1) substitutes every
> symbol in expr that is on the iter_stack with its value.
>
> Ok for trunk?
>
> Nicolas
>
> Regression tested for x86_64-pc-linux-gnu.
>
> Changelog:
> 2017-05-09  Nicolas Koenig  <koenigni@student.ethz.ch>
>
>         PR fortran/80442
>         * array.c (gfc_ref_dimen_size): Simplify stride
>         expression
>         * data.c (gfc_advance_section): Simplify start,
>         end and stride expressions
>         (gfc_advance_section): Simplify start and end
>         expressions
>         (gfc_get_section_index): Simplify start expression
>
> 2017-05-09  Nicolas Koenig  <koenigni@student.ethz.ch>
>
>         PR fortran/80442
>         * gfortran.dg/impl_do_var_data.f90: New Test
>
>

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