[MacPorts] #43869: libgcc @4.8.2_1: error: '_Unwind_Ptr' does not name a type

[MacPorts]

#43869: libgcc @4.8.2_1: error: '_Unwind_Ptr' does not name a type
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  Reporter:  ryandesign@…  |      Owner:  mww@…
      Type:  defect        |     Status:  reopened
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.3.0
Resolution:                |   Keywords:
      Port:  libgcc        |
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Comment (by jeremyhu@…):

 libgcc from gcc-4.9.2 built fine for me with current versions of
 libunwind-headers.  I'll try installing older gcc versions to see where
 this is a problem.

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Ticket URL: <https://trac.macports.org/ticket/43869#comment:9>
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