[issue6033] LOOKUP_METHOD and CALL_METHOD optimization

[Benjamin Peterson]

Benjamin Peterson <benjamin at python.org> added the comment:

Yes, my patch introduces that regression you mention. PyPy solves this
by having the instances dictionary keep track of shadowing of the type
dictionary. Not easy for CPython... I wish you luck on your patch!

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<http://bugs.python.org/issue6033>
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