Help stabilising mini-gmp

Marc Glisse marc.glisse at
Thu Nov 24 23:17:57 UTC 2016

On Mon, 21 Nov 2016, Torbjörn Granlund wrote:

> Marc Glisse <marc.glisse at> writes:
>  On Sun, 20 Nov 2016, Niels Möller wrote:
>  > It would make sense to test both gmp and mini-gmp with
>  > -fsanitize=undefined.
>  If we are not already doing it, yes, I highly recommend it.
> It is now running for ivydeb64v9 and ivydeb32v9.
> Two errors were triggered for the former, one in mini-gmp (presumably
> fixed by nisse) and one on cxx/t-ops2z.  Please take a look, glisse.

Fixed. It was unhappy about (-13) << 2. I am a bit surprised it doesn't 
complain about (-13) >> 2 on the next line, we'll see if it ever becomes 
an issue.

Marc Glisse

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