gh-153981: Fix use after free bug itertools.count()#153983
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Obtain a reference to lz->long_cnt, lz->long_step such that we don't hit a use after free
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This appears to add some very slight overhead to repr in slow mode, no impact to the likely more heavily used fast mode |
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Obtain a reference to lz->long_cnt, lz->long_step
such that we don't hit a use after free.