[MacPorts] #51724: compilers-1.0: default to gcc6

[MacPorts]

#51724: compilers-1.0: default to gcc6
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  Reporter:  ryandesign@…  |      Owner:  macports-tickets@…
      Type:  enhancement   |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:
      Port:                |
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Comment (by sean@…):

 Sounds fine to me.

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Ticket URL: <https://trac.macports.org/ticket/51724#comment:2>
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