[Python-Dev] [Python-checkins] cpython (2.7): Backport early-out 91259f061cfb to reduce the cost of bb1a2944bcb6

Benjamin Peterson benjamin at python.org
Thu Nov 12 15:13:10 EST 2015


There's two instances in that file.

On Thu, Nov 12, 2015, at 07:20, Raymond Hettinger wrote:
> 
> > On Nov 11, 2015, at 10:50 PM, Benjamin Peterson <benjamin at python.org> wrote:
> > 
> >> +    if (Py_SIZE(deque) == 0)
> >> +        return;
> >> +
> > 
> > dequeue is not varsized in Python 2.7, so using Py_SIZE() is incorrect.
> 
> Fixed in a2a518b6ded4.
> 
> -    if (Py_SIZE(deque) == 0)
> +    if (deque->len == 0)
> 
> 
> Raymond


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