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From: "paul.richard.thomas at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/47844] Array stride ignored for pointer-valued function results
Date: Wed, 05 Oct 2011 14:36:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D47844

--- Comment #6 from paul.richard.thomas at gmail dot com <paul.richard.thom=
as at gmail dot com> 2011-10-05 14:35:14 UTC ---
Dear Tobias and Dominique,

We could fix this in 4.7 by adding a sm field to array descriptors.
If we added the sm field after the dimension array, we would not
damage the exiting API.

On Tue, Mar 1, 2011 at 2:20 PM, burnus at gcc dot gnu.org
<gcc-bugzilla@gcc.gnu.org> wrote:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D47844
>
> Tobias Burnus <burnus at gcc dot gnu.org> changed:
>
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 What =C2=A0 =C2=A0|Removed =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 |Added
> -------------------------------------------------------------------------=
---
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Summary|I/O: data transfer =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0|Array stride ignored for
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 |statement=
: Array stride =C2=A0 =C2=A0 |pointer-valued function
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 |ignored f=
or pointer-valued =C2=A0|results
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 |function =
results =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0|
>
> --- Comment #3 from Tobias Burnus <burnus at gcc dot gnu.org> 2011-03-01 =
13:20:28 UTC ---
> Does not only affect I/O but also assignment; cf. example below.
>
> =C2=A0integer, target :: tgt(5) =3D [1,2,3,4,5]
> =C2=A0integer :: var(3)
> =C2=A0var =3D f(tgt) ! should assign 1 3 5
> =C2=A0print *, ptr ! but =C2=A0 =C2=A0prints 1 2 3
> contains
> =C2=A0function f(x)
> =C2=A0 =C2=A0integer, target :: x(:)
> =C2=A0 =C2=A0integer, pointer :: f(:)
> =C2=A0 =C2=A0f =3D> x(::2)
> =C2=A0end function f
> end
>
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