[MacPorts] #53802: x86_64-elf-gcc @6.3.0_0: Port update

[MacPorts]

#53802: x86_64-elf-gcc @6.3.0_0: Port update
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  Reporter:  stevecheckoway  |      Owner:  (none)
      Type:  update          |     Status:  assigned
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:
Resolution:                  |   Keywords:  haspatch
      Port:  x86_64-elf-gcc  |
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Comment (by mojca):

 I don't know, I switched to 7.3 as it seemed safer, but if 8.2 works fine,
 we could go to 8.2 of course. Feedback welcome.

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Ticket URL: <https://trac.macports.org/ticket/53802#comment:15>
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