[MacPorts] #55442: libunwind @3.9.1: UNREACHABLE executed!

[MacPorts]

#55442: libunwind @3.9.1: UNREACHABLE executed!
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  Reporter:  ryandesign  |      Owner:  jeremyhu
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:  leopard
      Port:  libunwind   |
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Comment (by kencu):

 building any kind of PPC code with clang-3.4 does not work reliably.

 To generate PPC code, you can use gcc (any version) or clang-3.8 (my
 special version, but without c++ exceptions). No other compiler is useful.

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Ticket URL: <https://trac.macports.org/ticket/55442#comment:1>
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