[issue14417] dict RuntimeError workaround

[Nick Coghlan]

Nick Coghlan <ncoghlan at gmail.com> added the comment:

A thought prompted by Raymond's comment: did we ever try just protecting
the retry as a recursive call? If we can stop the stack blowing up, it
seems to me we'd get the best of both worlds (that is, crashes become
RuntimeError, but naive multi-threaded code is unaffected).

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue14417>
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