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panic with linear implicit parameters

Observe:

$ ghc -fglasgow-exts -c Unique.hs
ghc-5.04: panic! (the `impossible' happened, GHC
version 5.04):
        tcSplitTyConApp {%uniqueSupply{-rF4-} ::
Unique.UniqueSupply{-r7-}}

Please report it as a compiler bug to
glasgow-haskell-bugs@haskell.org,
or http://sourceforge.net/projects/ghc/.
Trac metadata
Trac field Value
Version None
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution ResolvedFixed
Component Compiler (Type checker)
Test case
Differential revisions
BlockedBy
Related
Blocking
CC
Operating system
Architecture
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