[MacPorts] #63698: libgcc11 @11.1.0: Fails to build on 12.0 Monterey under arm64

[MacPorts]

#63698: libgcc11 @11.1.0: Fails to build on 12.0 Monterey under arm64
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  Reporter:  mpbarlow  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.7.1
Resolution:            |   Keywords:
      Port:  libgcc11  |
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Comment (by mpbarlow):

 I've attached config.log, but the full main.log is 63MB, so I've uploaded
 a truncated version from what I believe is the start of the step that
 fails onwards.

 Please let me know if there's anything more required.

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Ticket URL: <https://trac.macports.org/ticket/63698#comment:5>
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