#1285: panic in HEAD building base library
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Reporter: Isaac Dupree | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 6.8
Component: Compiler | Version: 6.7
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Os: Linux | Testcase:
Architecture: Multiple |
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Changes (by igloo):
* architecture: powerpc => Multiple
* milestone: => 6.8
Comment:
Thanks for the report; also happens for me on Linux/amd64.
The failing assertion is this one:
{{{
lookupBinding :: IdEnv HowBound -> Id -> HowBound
lookupBinding env v = case lookupVarEnv env v of
Just xx -> xx
Nothing -> ASSERT2( isGlobalId v, ppr v ) ImportBound
}}}
The references to `eqString` are:
{{{
eqString :: String -> String -> Bool
eqString [] [] = True
eqString (c1:cs1) (c2:cs2) = c1 == c2 && cs1 `eqString` cs2
eqString cs1 cs2 = False
{-# RULES "eqString" (==) = eqString #-}
-- eqString also has a BuiltInRule in PrelRules.lhs:
-- eqString (unpackCString# (Lit s1)) (unpackCString# (Lit s2) = s1==s2
}}}
and it's got a wired-in unique.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1285>
GHC <http://www.haskell.org/ghc/>
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