Hi,

On Sat, 5 Oct 2019 at 20:31, Paul Richard Thomas <
paul.richard.tho...@gmail.com> wrote:

> I must apologise not posting this before committing. I left for a
> vacation this morning and I thought that this problem and the one
> posted by Gilles were best fixed before departing. The patch only
> touches the new ISO_Fortran binding feature and so I thought that I
> would be safe to do this.
>
> It was fully regtested and only applies to trunk.
>
> Paul
>
> Author: pault
> Date: Sat Oct  5 08:17:55 2019
> New Revision: 276624
>
> URL: https://gcc.gnu.org/viewcvs?rev=276624&root=gcc&view=rev
> Log:
> 2019-10-05  Paul Thomas  <pa...@gcc.gnu.org>
>
>         PR fortran/91926
>         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Correct the
>         assignment of the attribute field to account correctly for an
>         assumed shape dummy. Assign separately to the gfc and cfi
>         descriptors since the atribute can be different. Add btanch to
>         correctly handle missing optional dummies.
>
> 2019-10-05  Paul Thomas  <pa...@gcc.gnu.org>
>
>         PR fortran/91926
>         * gfortran.dg/ISO_Fortran_binding_13.f90 : New test.
>         * gfortran.dg/ISO_Fortran_binding_13.c : Additional source.
>         * gfortran.dg/ISO_Fortran_binding_14.f90 : New test.
>
> 2019-10-05  Paul Thomas  <pa...@gcc.gnu.org>
>
>         PR fortran/91926
>         * runtime/ISO_Fortran_binding.c (cfi_desc_to_gfc_desc): Do not
>         modify the bounds and offset for CFI_other.
>
> Added:
>     trunk/gcc/testsuite/gfortran.dg/ISO_Fortran_binding_13.c
>     trunk/gcc/testsuite/gfortran.dg/ISO_Fortran_binding_13.f90
>     trunk/gcc/testsuite/gfortran.dg/ISO_Fortran_binding_14.f90
> Modified:
>     trunk/gcc/fortran/ChangeLog
>     trunk/gcc/fortran/trans-expr.c
>     trunk/gcc/testsuite/ChangeLog
>     trunk/libgfortran/ChangeLog
>     trunk/libgfortran/runtime/ISO_Fortran_binding.c
>


Since this was committed (r276624), I have noticed regressions on
arm-linux-gnueabihf:
FAIL: gfortran.dg/ISO_Fortran_binding_11.f90   -O3 -g  execution test
I've seen other reports on gcc-testresults too.

Christophe

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