[issue1646068] Dict lookups fail if sizeof(Py_ssize_t) < sizeof(long)

[Alexander Belopolsky]

Alexander Belopolsky <belopolsky at users.sourceforge.net> added the comment:

I am attaching a patch that uses a regular union of long and Py_ssize_t to store cached hash/index value in both set and dict entry.  Using an anonymous union would simplify the patch and would reduce the likelihood of breaking extensions that access entry structs.

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Added file: http://bugs.python.org/file18004/issue1646068.diff

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