#7896: Type constructor is accepted as context
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Reporter: stefan | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler (Type
checker)
Version: 7.6.3 | Keywords:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: GHC accepts invalid program | Blockedby:
Blocking: | Related:
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Consider the following program:
{{{
f :: Int => () -> ()
f _ = id
}}}
It is accepted by the compiler, even though we are using a type
constructor rather than a class assertion in a type context.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7896>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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