[MacPorts] #71530: gdb @15.1does not build on macOS High Sierra, version 10.13.6, because of fatal error: error in backend: Cannot select: intrinsic %llvm.x86.sha1rnds4

[MacPorts]

#71530: gdb @15.1does not build on macOS High Sierra, version 10.13.6, because of
fatal error: error in backend: Cannot select: intrinsic %llvm.x86.sha1rnds4
------------------------+------------------------
  Reporter:  ballapete  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.10.5
Resolution:             |   Keywords:  highsierra
      Port:  gdb        |
------------------------+------------------------

Comment (by ballapete):

 Version 14.2 built an seems to work alright.

 Is this worth being recorded in Portfile?

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Ticket URL: <https://trac.macports.org/ticket/71530#comment:1>
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