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

2015年11月12日 07:53:51 -0800

> On Nov 11, 2015, at 10:50 PM, Benjamin Peterson <[email protected]> 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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