[MacPorts] #67412: Error building gcc12 on MacOS Catalina

[MacPorts]

#67412: Error building gcc12 on MacOS Catalina
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 Reporter:  dbl001  |      Owner:  (none)
     Type:  defect  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:  2.8.1
 Keywords:          |       Port:  gcc12
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 gcc12 builds on MacOS Ventura, but fails on Catalina.

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Ticket URL: <https://trac.macports.org/ticket/67412>
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