Serhiy Storchaka added the comment:
- if (dictresize(mp, Py_SIZE(seq))) {
+ if (dictresize(mp, Py_SIZE(seq) / 2 * 3)) {
If Py_SIZE(seq) is 1, dictresize argument is 0.
Why not wryte the expression as Py_SIZE(seq) * 3 / 2? It never overflows,
because Py_SIZE(seq) is the size of allocated array of pointers.
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<http://bugs.python.org/issue23971>
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