[issue21422] int << 0: return the number unmodified

[Francisco Martín Brugué]

Francisco Martín Brugué added the comment:

Hi,
sorry if it's trivial but shouldn't we add a 'shifted_true' test
some were to make sure that this behavior change gets noticed next time?

def test_shifted_true(self):
    self.assertEqual(True << 0, 1)
    self.assertEqual(True << 1, 2)

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nosy: +francismb

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21422>
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