[GHC] #11491: GHC 10.7.3 panic while executing 'stack upgrade' on Mac OSX El Capitan

[GHC]

#11491: GHC 10.7.3 panic while executing 'stack upgrade' on Mac OSX El Capitan
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        Reporter:  hienqnguyen   |                Owner:
            Type:  bug           |               Status:  new
        Priority:  normal        |            Milestone:
       Component:  Compiler      |              Version:  7.10.3
      Resolution:                |             Keywords:
Operating System:  MacOS X       |         Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown  |            Test Case:
      Blocked By:                |             Blocking:
 Related Tickets:                |  Differential Rev(s):
       Wiki Page:                |
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Comment (by hienqnguyen):

 I did the following and it worked fine:
 {{{
 ln -s /usr/local/Cellar/ghc/7.10.3b /usr/local/opt/ghc
 }}}
 So it definitely related to my local installation. I used `brew` so I
 think this is an issue with `brew` and not `ghc`

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11491#comment:4>
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