#7296: ghc-7 assumes incoherent instances without requiring language
`IncoherentInstances`
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Reporter: maeder | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 7.6.1 | Keywords:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: GHC accepts invalid program | Testcase:
Blockedby: | Blocking:
Related: |
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Comment(by maeder):
I meant, one may wish that a and b returned equal results, namely that a
returned "[]" by using the more special instance of Spec2 in the instance
definition of Spec1.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7296#comment:1>
GHC <http://www.haskell.org/ghc/>
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