[PATCH] parsers: fix memory leak in compute_phases_map_sets

[Bryan O'Sullivan]

On Fri, Aug 7, 2015 at 11:41 AM, Bryan O'Sullivan <bos at serpentine.com>
wrote:

> On Fri, Aug 7, 2015 at 7:01 AM, Laurent Charignon <lcharignon at fb.com>
> wrote:
>
>> +                       rev = PyInt_FromLong(i);
>>
>
> You forgot to check the return value for NULL.
>

I should say: whoever originally wrote the code forgot to check for NULL,
and you preserved the bug :-)
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