[GHC] #14481: Mutually dependent modules with orphan instances causes missing symbols with single-shot compilation

GHC ghc-devs at haskell.org
Fri Nov 17 22:47:16 UTC 2017


#14481: Mutually dependent modules with orphan instances causes missing symbols
with single-shot compilation
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        Reporter:  bgamari           |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.4.1
       Component:  Compiler (Type    |              Version:  8.2.1
  checker)                           |
      Resolution:  invalid           |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #14482            |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by bgamari):

 The repro from which I deduced this can be found here:
 https://github.com/bgamari/T14481-repro

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14481#comment:4>
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