[Submitted, PR103970, Fortran, Coarray] Multi-image co_broadcast of derived type with allocatable components fails^

[Andre Vehreschild]

Hi Tobias,

ups, sorry, reverted immediately.

Regards,
	Andre

On Fri, 28 Jan 2022 10:27:26 +0100
Tobias Burnus <tobias@codesourcery.com> wrote:

> Hi Andre,
> 
> your patch breaks bootstrapping:
> 
> ../../repos/gcc/gcc/fortran/trans-array.cc: In function ‘tree_node*
> structure_alloc_comps(gfc_symbol*, tree, tree, int, int, int,
> gfc_co_subroutines_args*)’:
> ../../repos/gcc/gcc/fortran/trans-array.cc:9200:42: error: ‘cdesc’ may be
> used uninitialized [-Werror=maybe-uninitialized] 9200 |
> gfc_conv_descriptor_data_set (&tmpblock, cdesc, comp); |
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
> ../../repos/gcc/gcc/fortran/trans-array.cc:9082:16: note: ‘cdesc’ was
> declared here 9082 |           tree cdesc; |                ^~~~~ cc1plus:
> all warnings being treated as errors make[3]: *** [Makefile:1143:
> fortran/trans-array.o] Error 1
> 
> Tobias
> 
> On 28.01.22 10:07, Andre Vehreschild via Fortran wrote:
> > Hi Harald,
> >
> > thanks for the fast review. I have submitted as c9c48ab7bad.
> >
> > Will wait for two weeks (reminder set :-)) before backporting to gcc-11.
> >
> > Thank you and regards,
> >       Andre
> >
> > On Tue, 25 Jan 2022 22:30:22 +0100
> > Harald Anlauf via Fortran <fortran@gcc.gnu.org> wrote:
> >  
> >> Hi Andre',
> >>
> >> Am 25.01.22 um 17:32 schrieb Andre Vehreschild via Fortran:  
> >>> Hi all,
> >>>
> >>> attached patch fixes wrong code generation when broadcasting a derived
> >>> type containing allocatable and non-allocatable scalars. Furthermore does
> >>> it prevent broadcasting of coarray-tokens, which are always local
> >>> this_image. Thus having them on a different image makes no sense.
> >>>
> >>> Bootstrapped and regtested ok on x86_64-linux/F35.
> >>>
> >>> Ok, for trunk and backport to 12 and 11-branch after decent time?
> >>>
> >>> I perceived that 12 is closed for this kind of bugfix, therefore asking ok
> >>> for 13.  
> >> I do not think that 12 is closed for bugfixing, especially not for
> >> fortran.  And if my cursory reading of the patch is not misleading,
> >> the impact of the patch is really limited to coarrays.
> >>
> >> You may want to wait for another 1-2 days for additional comments.
> >> If not, it is OK from my side.
> >>
> >> Thanks for the patch!
> >>
> >> Harald
> >>  
> >>> Regards,
> >>>     Andre
> >>> --
> >>> Andre Vehreschild * Email: vehre ad gmx dot de  
> >>  
> >
> > --
> > Andre Vehreschild * Email: vehre ad gmx dot de  
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-- 
Andre Vehreschild * Email: vehre ad gmx dot de