[issue5765] stack overflow evaluating eval("()" * 30000)

[Mark Shannon]

Mark Shannon added the comment:

I don't think there is any need for a scaling factor.
Expressions in auto-generated trees will tend to be trees of binary operator rather lists of purely unary operators. A tree of a billion items only has a depth of ~30.

There is no way an expression tree >1000 deep could possibly have any sane behaviour.

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<http://bugs.python.org/issue5765>
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