#2987: panic when compiling again
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Reporter: dsrogers | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 6.10.1
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Os: Unknown/Multiple
Architecture: Unknown/Multiple |
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Changes (by Deewiant):
* os: MacOS X => Unknown/Multiple
* architecture: x86 => Unknown/Multiple
Comment:
Reproduced on x86-64 Linux, GHC 6.10.1:
{{{
[18 of 25] Compiling Database.HaskellDB.Database (
src/Database/HaskellDB/Database.hs,
dist/build/Database/HaskellDB/Database.o )
ghc: panic! (the 'impossible' happened)
(GHC version 6.10.1 for x86_64-unknown-linux):
idInfo r{tv adgM} [tv]
}}}
Exact steps followed:
{{{
$ cabal fetch haskelldb
$ cd ~/.cabal/packages/hackage.haskell.org/haskelldb/0.10
$ tar xf haskelldb-0.10.tar.gz
$ cd haskelldb-0.10
$ wget
'http://hackage.haskell.org/trac/ghc/attachment/ticket/2987/haskelldb.cabal?format=raw'
$ mv 'haskelldb.cabal?format=raw' haskelldb.cabal
$ cabal configure; cabal build; cabal install
}}}
And yes, doing a `cabal clean` makes it work again.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2987#comment:2>
GHC <http://www.haskell.org/ghc/>
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