#5028: stage3 build failing with core-lint error
---------------------------------+------------------------------------------
Reporter: simonmar | Owner:
Type: bug | Status: new
Priority: highest | Milestone: 7.2.1
Component: Compiler | Version: 7.1
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: Building GHC failed
---------------------------------+------------------------------------------
Sometime around 10 March 2011, the nightly build on x86-64/Linux began
failing the stage3 build with the following core-lint error:
{{{
*** Core Lint errors : in result of CorePrep ***
<no location info>:
[RHS of ds4_s1PqX :: (FastString.FastString,
FastString.FastString)]
Occurrence of a dead Id wild3_s1S4x
*** Offending Program ***
notHappyAtAll_r3z1 :: forall t_a5OH. t_a5OH
[GblId, Str=DmdType b]
notHappyAtAll_r3z1 =
\ (@ t_a5OH) ->
case GHC.Base.unpackCString# "Internal Happy error"
of sat_s1Q0Y { __DEFAULT ->
GHC.Err.error @ t_a5OH sat_s1Q0Y
}
etc.
}}}
while building `compiler/stage3/build/Parser.hs`.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5028>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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