[MacPorts] #70341: g++ fails to compile when -libstd=libc++ is set

[MacPorts]

#70341: g++ fails to compile when -libstd=libc++ is set
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  Reporter:  mouse07410         |      Owner:  (none)
      Type:  defect             |     Status:  new
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:
Resolution:                     |   Keywords:
      Port:  gcc12 gcc13 gcc14  |
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Comment (by mouse07410):

 >  report it to LLVM/clang and see what they say

 It would be great if you could point me at the specific repo (on GitHub,
 presumably?).

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Ticket URL: <https://trac.macports.org/ticket/70341#comment:19>
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