[MacPorts] #61540: Segmentation Fault during rev-upgrade

[MacPorts]

#61540: Segmentation Fault during rev-upgrade
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  Reporter:  MeNdMont  |      Owner:  jmroot
      Type:  defect    |     Status:  closed
  Priority:  Normal    |  Milestone:
 Component:  base      |    Version:  2.6.4
Resolution:  fixed     |   Keywords:
      Port:            |
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Comment (by jmroot):

 The reason for the problem is in comment:4 and the commit referenced in
 comment:8 has fixed it in master. Systems that installed from the .pkg
 wouldn't see the issue, only ones that selfupdated with Xcode 12. Copying
 the .dylib from another system is a slightly more involved workaround than
 strictly necessary but I guess it's fine.

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Ticket URL: <https://trac.macports.org/ticket/61540#comment:14>
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