[tor-bugs] #22801 [Core Tor/Tor]: Warnings from isnan, isinfinite, signbit on mingw

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#22801: Warnings from isnan, isinfinite, signbit on mingw
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 Reporter:  nickm                                |          Owner:  nickm
     Type:  defect                               |         Status:
                                                 |  needs_review
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.2.8.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  028-backport, 029-backport,          |  Actual Points:
  030-backport, 031-backport                     |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by nickm):

 This required a fix for mingw versions that don't have -Wfloat-conversion:
 see dfc06148407a16

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22801#comment:7>
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