Author matthew.brett
Recipients matthew.brett, r.david.murray
Date 2017-02-02.15:23:38
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To clarify from comments on issue 19332:

* The normal rule (not just for Python) is that a data structures have undefined behavior for mutating while iterating, unless there is a specific guarantee

The change in Python 3.6 is just a different undefined behavior.
Date User Action Args
2017-02-02 15:23:38matthew.brettsetrecipients: + matthew.brett, r.david.murray
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2017-02-02 15:23:38matthew.brettlinkissue29420 messages
2017-02-02 15:23:38matthew.brettcreate