[GHC] #14775: GHC 8.4.1-alpha3 regression: Build error when `build-type: Custom` and `license: OtherLicense` are in the .cabal file

[GHC]

#14775: GHC 8.4.1-alpha3 regression: Build error when `build-type: Custom` and
`license: OtherLicense` are in the .cabal file
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        Reporter:  asr               |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.4.1-alpha3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         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 asr):

 As it was expected, I got the same issue with GHC 8.4.1. I'm waiting for a
 new release of `cabal-install` to see its behaviour on this situation.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14775#comment:5>
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