[issue18594] C accelerator for collections.Counter is slow

[Raymond Hettinger]

Changes by Raymond Hettinger <raymond.hettinger at gmail.com>:


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stage: needs patch -> patch review
Added file: http://bugs.python.org/file31917/fix_counter.diff

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18594>
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