#7142: ghc: panic! (the 'impossible' happened) when using lowercase eq/show in
deriving
---------------------------+------------------------------------------------
Reporter: mbrodersen | Owner:
Type: bug | Status: closed
Priority: normal | Component: Compiler
Version: 7.4.1 | Resolution: duplicate
Keywords: | Os: Linux
Architecture: x86 | Failure: Compile-time crash
Testcase: | Blockedby:
Blocking: | Related:
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Changes (by guest):
* status: new => closed
* resolution: => duplicate
Comment:
It is fixed in HEAD. See ticket #5961. Now you get
{{{
Bb.hs:3:57:
Illegal deriving item `eq'
In the data declaration for `Tree'
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7142#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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