On Wed, Nov 22, 2017 at 06:34:08PM +0100, Marc Glisse wrote:
> Hello,
>
> I hadn't implemented this simplification because I think it is invalid code,
> but apparently people do write it, so we might as well handle it sensibly.
> This also happens to work around PR 83104 (already fixed).
>
> bootstrap+regtest on powerpc64le-unknown-linux-gnu.
I guess we'll need to disable it for -fsanitize=pointer-subtraction
once/if it makes it in, because it should be still diagnosed as invalid.
> 2017-11-22 Marc Glisse <marc.gli...@inria.fr>
>
> * match.pd (ptr-0): New transformation.
>
> --
> Marc Glisse
Jakub
