[tor-bugs] #18902 [Core Tor/Tor]: Avoid variable shadowing in Tor

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#18902: Avoid variable shadowing in Tor
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 Reporter:  teor           |          Owner:
     Type:  defect         |         Status:  new
 Priority:  Medium         |      Milestone:  Tor: 0.2.???
Component:  Core Tor/Tor   |        Version:
 Severity:  Normal         |     Resolution:
 Keywords:  easy refactor  |  Actual Points:
Parent ID:                 |         Points:
 Reviewer:                 |        Sponsor:
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Comment (by cypherpunks):

 FWIW GCC and clang both have `-Wshadow` which detect these cases.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18902#comment:1>
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