[tor-bugs] #27772 [Core Tor/Tor]: Compile without warnings on GCC 8.2.0 with LTO enabled

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#27772: Compile without warnings on GCC 8.2.0 with LTO enabled
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     Reporter:  nickm         |      Owner:  nickm
         Type:  defect        |     Status:  assigned
     Priority:  Medium        |  Milestone:  Tor: 0.3.5.x-final
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:
      Sponsor:                |
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 I propose that we should try to build without warnings on GCC 8.2.0 when
 the LTO option is enabled.  (See #27728)

 With LTO, the compiler generates some spurious warnings, but some warnings
 that reflect real cross-module issues that we should care about.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27772>
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