[PATCH] Fix variable set but not used warnings in Fortran FE

[Steve Kargl]

On Fri, Nov 27, 2009 at 05:36:45AM -0500, Jakub Jelinek wrote:
> 
> This patch fixes set but not used warnings in the Fortran FE.
> Most cases are quite obvious and the patch really doesn't (or at least
> should not) change gfortran behavior, though if somebody could look
> it over to see whether something else wasn't intended with the unused,
> just set variables,  I'd appreciate it a lot.

After reading through the patch and the affected code, it
appears that you're simply doing janitor duty and cleaning
up accumulated junk.  Thanks.

> BTW, I'm also unsure about that
> re = gfc_simplify_expr (e, 1);
> in get_array_index, shouldn't we report failure in that case if
> gfc_simplify_expr fails?

I think get_array_index is only called in situations where
gfc_simplify_expr cannot fail.

> 
> Bootstrapped/regtested on x86_64-linux.  Ok for trunk?
> 

Yes.

-- 
steve