#3063: Only at separate compilation: Conflicting family instance declarations
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Reporter: dorinho | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 6.10.1 | Severity: normal
Keywords: | Testcase:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
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Take the following class:
class C a where
type B a
Then the following instances only throw «Conflicting family instance
declarations»,
if compiled separately:
instance C a where
type B a = X a
instance C (Int,a) where
type B (Int,a) = X a
Cheers,
Dorinho
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3063>
GHC <http://www.haskell.org/ghc/>
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