#6002: GHC 7.4+ thinks class instance is incoherent, 7.0.4 disagrees
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Reporter: heisenbug | Owner:
Type: bug | Status: closed
Priority: normal | Milestone:
Component: Compiler | Version: 7.4.1
Resolution: fixed | Keywords:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: GHC rejects valid program | Difficulty: Unknown
Testcase: polykinds/T6002 | Blockedby:
Blocking: | Related:
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Changes (by simonpj):
* status: new => closed
* testcase: => polykinds/T6002
* resolution: => fixed
Comment:
I've added a test that `-XIncoherentInstances` makes the code be accepted,
so I'll close the ticket.
Simon
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/6002#comment:5>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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