[issue12857] Expose called function on frame object

[Mark Lawrence]

Mark Lawrence added the comment:

Note that #13672 referred to in msg156962 refers to #13855.

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nosy: +BreamoreBoy
versions: +Python 3.5 -Python 3.3

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue12857>
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