#5581: ConstraintKinds lets you put the typechecker into a loop
---------------------------------+------------------------------------------
Reporter: pumpkin | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler (Type checker)
Version: 7.3 | Keywords: ConstraintKinds
Testcase: | Blockedby:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: Compile-time crash
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Comment(by pumpkin):
The bug arises even with
{{{
instance C (C p) => C (C (C p))
}}}
but we thought it'd be more indicative to include the other class to show
that it isn't just caused by creating an instance of yourself.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5581#comment:1>
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The Glasgow Haskell Compiler
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