[Also entered into bug tracker on Sourceforge.]
Recipe to replicate:
0. Install ghc-5.00.2 binary RPM on Red Hat Linux 6.2.
1. Download and untar the raytracer that Galois Connections submitted
to last year's ICFP programming contest:
http://www.galoisconnections.com/icfp00/raytracer.tar.gz
2. Edit CSG/Makefile, adding "lang" to the line reading "HC_PKG = " so
that it reads "HC_PKG = lang".
3. At the project's root directory, "make".
4. Error occurs while compiling Parse.hs:
ghc -O2 -funfolding-use-threshold30 -H32M -funbox-strict-fields -fglasgow-exts
-i../CSG -i../RayTrace -package text -c Parse.hs -o Parse.o
ghc-5.00.2: panic! (the `impossible' happened, GHC version 5.00.2):
mk_ww_str: not a product ParsecError.SourceName{-r1d5-}
Please report it as a compiler bug to [EMAIL PROTECTED],
or http://sourceforge.net/projects/ghc/.
Cheers,
Tom
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