#4384: building hashed-storage 0.4.3: Expected one of wanted constraints (BUG)
-----------------------+----------------------------------------------------
Reporter: dsf | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 7.1 | Keywords:
Testcase: | Blockedby:
Os: Linux | Blocking:
Architecture: x86 | Failure: Compile-time crash
-----------------------+----------------------------------------------------
Using GHC 7.0.1-rc1 with the patch for trac#4345, while compiling
Storage.Hashed.Monad from version 0.4.3 of the hashed-storage package I
get the following message:
{{{
ghc: panic! (the 'impossible' happened)
(GHC version 7.0.0 for i386-unknown-linux):
Expected one of wanted constraints (BUG)
}}}
This is from http://hackage.haskell.org/package/hashed-storage-0.4.3. The
bug still occurs using the latest version, 0.5.3.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4384>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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