[MacPorts] #59467: ghc @8.6.5_1: Built ghc not working on Catalina

[MacPorts]

#59467: ghc @8.6.5_1: Built ghc not working on Catalina
---------------------+----------------------
  Reporter:  abusse  |      Owner:  (none)
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.6.2
Resolution:          |   Keywords:  catalina
      Port:  ghc     |
---------------------+----------------------

Comment (by cjones051073):

 Looks like just another install of the Xcode 11 bug related to stack-
 check.

 Simple solution, until either Apple fix it or upstream do something is
 blacklist Xcode 11 clang.

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Ticket URL: <https://trac.macports.org/ticket/59467#comment:1>
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