#4178: Lazy evaluation of type families causes quantified type variables to
escape
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Reporter: intoverflow | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 6.12.1
Keywords: | Difficulty:
Os: Unknown/Multiple | Testcase:
Architecture: Unknown/Multiple | Failure: GHC rejects valid program
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Comment(by simonpj):
Agreed. I'll add this to my list of tickets for when the new type
inference machinery is done.
Simon
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4178#comment:1>
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