[issue16427] Faster hash implementation

[Charles-François Natali]

Charles-François Natali added the comment:

Note that the patch uses type punning through a union: while GCC allows this, it's not allowed by ANSI (although since we're using a char [], it's somewhat a grey area). An aggresive compiler could optimiza the read/write away.

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nosy: +neologix

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue16427>
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