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Subject: [Bug fortran/50981] [4.4/4.5/4.6 Regression] Wrong-code for scalarizing ELEMENTAL call with absent OPTIONAL argument
Date: Thu, 26 Jan 2012 00:37:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50981

--- Comment #29 from Mikael Morin <mikael at gcc dot gnu.org> 2012-01-25 23:38:28 UTC ---
(In reply to comment #27)
> (In reply to comment #22)
> > Created attachment 26386 [details]
> > Updated patch
> 
> +gfc_array_spec *
> +symbol_as (gfc_symbol *sym)
> +{
> +  if (sym->ts.type == BT_CLASS)
> +    return CLASS_DATA (sym)->as;
> 
> I think the function rather belongs to symbol.c than to resolve.c, unless it is
> "static". But the real issue is the "if" condition. It should be:
>   if (sym->ts.type == BT_CLASS && sym->attr.class_ok)
> otherwise, one might get a segfault with gfortran.dg/coarray_poly_1.f90

Sorry, I didn't see your comment.
I solved the issue differently, but I'll try with your suggestion.

The test in comment #23 should be rejected, as sub_ctae is elemental with a
non-scalar dummy. Otherwise, it should work with the just posted patch.