[Patch, Fortran, pr70397, gcc-5, v1] [5/6 Regression] ice while allocating ultimate polymorphic

[Paul Richard Thomas]

Hi Andre,

The patch looks to be fine to me for both trunk and 5-branch.

Thanks for the patch.

Paul

On 27 March 2016 at 18:53, Andre Vehreschild <vehre@gmx.de> wrote:
> Hi all,
>
> and here is already the follow-up. In the initial patch a safe wasn't commenced
> before pulling the patch, which lead to a refactoring of the new functions node
> to be partial only. Sorry for the noise.
>
> - Andre
>
> Am Sun, 27 Mar 2016 18:49:18 +0200
> schrieb Andre Vehreschild <vehre@gmx.de>:
>
>> Hi all,
>>
>> attached is a patch to fix an ICE on allocating an unlimited polymorphic
>> entity from a non-poly class or type without an length component. The routine
>> gfc_copy_class_to_class() assumed that both the source and destination
>> object's type is unlimited polymorphic, but in this case it is true for the
>> destination only, which made gfortran look for a non-existent _len component
>> in the source object and therefore ICE. This is fixed by the patch by adding
>> a function to return either the _len component, when it exists, or a constant
>> zero node to init the destination object's _len component with.
>>
>> Bootstrapped and regtested ok on x86_64-linux-gnu/F23. (Might have some
>> line deltas, because my git is a bit older. Sorry, only have limited/slow
>> net-access currently.)
>>
>> The same patch should be adaptable to trunk. To come...
>>
>> Ok for 5-trunk?
>>
>> Regards,
>>       Andre
>
>
>
> --
> Andre Vehreschild * Kreuzherrenstr. 8 * 52062 Aachen
> Email: vehre@gmx.de * Tel: +49 241 9291018



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