[MacPorts] #65280: libgcc10 fails to build on 10.6

[MacPorts]

#65280: libgcc10 fails to build on 10.6
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 Reporter:  jmroot  |      Owner:  (none)
     Type:  defect  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  gcc10
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 Bootstrap comparison failure.
 [https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/108553/steps
 /install-port/logs/stdio Buildbot log ] attached.

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Ticket URL: <https://trac.macports.org/ticket/65280>
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