[MacPorts] #44500: Gdb @7.7.1: update to 7.8

[MacPorts]

#44500: Gdb @7.7.1: update to 7.8
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  Reporter:  cartasegna.luca@…  |      Owner:  stuartwesterman@…
      Type:  update             |     Status:  new
  Priority:  Normal             |  Milestone:
 Component:  ports              |    Version:
Resolution:                     |   Keywords:  haspatch
      Port:  gdb                |
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Comment (by stuartwesterman@…):

 I haven't been able to determine the cause of the strange errors, or how
 to make them go away. I think we should leave gdb at version 7.7.1, unless
 there is a compelling reason to update.

 Again, version 7.8 seems to debug just fine (on my simple example: see
 pastebin link), but it has those strange OSO archive warnings. I took a
 cursory glance at the source, and I couldn't immediately see why I was
 getting the warnings on 7.8 and not getting the warnings on 7.7.1.

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Ticket URL: <https://trac.macports.org/ticket/44500#comment:6>
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