[MacPorts] #53864: can't set "compiler.blacklist": couldn't determine build number of compiler "llvm-gcc-4.2"

[MacPorts]

#53864: can't set "compiler.blacklist": couldn't determine build number of compiler
"llvm-gcc-4.2"
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  Reporter:  MooersLab  |      Owner:
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:
      Port:             |
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Changes (by MooersLab):

 * Attachment "stdout2.txt" added.

 output of sudo port -d upgrade outdated

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Ticket URL: <https://trac.macports.org/ticket/53864>
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