[MacPorts] #57688: radare2 @3.1.0_0: fails to build on macOS 10.12 Xcode 9.2

[MacPorts]

#57688: radare2 @3.1.0_0: fails to build on macOS 10.12 Xcode 9.2
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  Reporter:  mopihopi  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  radare2   |
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Comment (by stevecheckoway):

 Upstream bug filed. https://github.com/radare/radare2/issues/12335

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Ticket URL: <https://trac.macports.org/ticket/57688#comment:4>
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