[issue8914] Run clang's static analyzer

[Brett Cannon]

Brett Cannon <brett at python.org> added the comment:

OK, done going through the results. Attached is a patch with all of the fixes (only one actual bug which I file an issue for separately; everything else is removing a little bit of dead code here and there).

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Added file: http://bugs.python.org/file20669/wheres_my_pony.diff

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