Bugs item #672813, was opened at 2003-01-22 23:41
You can respond by visiting:
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Category: None
Group: None
>Status: Closed
>Resolution: Fixed
Priority: 5
Submitted By: Miguel Figueiredo (olliegator)
Assigned to: Nobody/Anonymous (nobody)
Summary: bad type does bad things
Initial Comment:
If I create a type like this:
data Test a = T a
deriving Show a
I get:
*Main> :l test.hs
Compiling Main ( teste.hs, interpreted )
ghc-5.04.2: panic! (the `impossible' happened, GHC
version 5.04.2):
nameModule a{-r1qo-}
Please report it as a compiler bug to
[EMAIL PROTECTED],
or http://sourceforge.net/projects/ghc/.
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>Comment By: Simon Peyton Jones (simonpj)
Date: 2003-01-23 14:35
Message:
Logged In: YES
user_id=50165
The HEAD does not crash, and I've improved the error
message a bit.
(The program is illegal anyway, not that that matters.)
Test added too (deriving/should_fail/drvfail005)
----------------------------------------------------------------------
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https://sourceforge.net/tracker/?func=detail&atid=108032&aid=672813&group_id=8032
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