#5490: Core lint error after desugaring
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Reporter: mikhail.vorozhtsov | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 7.3 | Keywords:
Testcase: | Blockedby:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
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I was investigating a "PAP object entered!" crash and found out that
almost every module in my program fails to compile with -dcore-lint. I'll
attach a reduced test case that reproduces the issue:
{{{
$ ghc-7.3.20110912 -fforce-recomp -dcore-lint Bug.hs
[1 of 1] Compiling Bug ( Bug.hs, Bug.o )
*** Core Lint errors : in result of Desugar ***
{-# LINE 113 "Bug.hs #-}:
[in body of lambda with binder temp_ahE :: Bug.HElemOf
(GHC.Types.Int
Bug.:* ([GHC.Types.Char]
Bug.:* Bug.HNil))]
...
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5490>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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