id	summary	reporter	owner	description	type	status	priority	milestone	version	resolution	keywords	cc
1	internal Haddock or GHC error on some packages	ross	somebody	"The following packages cause Haddock to fail reporting internal errors:
 * [http://hackage.haskell.org/cgi-bin/hackage-scripts/package/mtl-tf-0.1 mtl-tf-0.1]
   {{{
haddock: internal Haddock or GHC error: src/Haddock/Interface/Rename.hs:(297,16)-(326,1): Non-exhaustive patterns in case
}}}
 * [http://hackage.haskell.org/cgi-bin/hackage-scripts/package/sessions-2008.5.12 sessions-2008.5.12]
   {{{
haddock: internal Haddock or GHC error: src/Haddock/Interface/AttachInstances.hs:(125,0)-(126,47): Non-exhaustive patterns in function toHsPred
}}}
 * [http://hackage.haskell.org/cgi-bin/hackage-scripts/package/uvector-0.1 uvector-0.1]
   {{{
haddock: internal Haddock or GHC error: src/Haddock/Interface/Rename.hs:(297,16)-(326,1): Non-exhaustive patterns in case
}}}
The last one may be something different from the former two.

It may be that the packages are doing something wrong, but the internal error is alarming."	defect	closed	major		2.1.0	fixed