[MacPorts] #62293: clang-9.0 @ 9.0.1_3: Build failure on El Capitan with Xcode 7.3.1

[MacPorts]

#62293: clang-9.0 @ 9.0.1_3: Build failure on El Capitan with Xcode 7.3.1
--------------------------+-----------------------
 Reporter:  SerpentChris  |      Owner:  (none)
     Type:  defect        |     Status:  new
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.6.4
 Keywords:                |       Port:  clang-9.0
--------------------------+-----------------------
 I asked about this on the mailing list and it was suggested that I make a
 ticket. This failure happened on two of my machines three times, all on
 fresh installs of El Capitan. I've attached the `main.log` from my third
 attempt.

-- 
Ticket URL: <https://trac.macports.org/ticket/62293>
MacPorts <https://www.macports.org/>
Ports system for macOS