validate failure: tc208

[Simon Marlow]

Anyone know what's going on here?

=====> tc208(normal) 2432 of 2938 [0, 0, 0]
cd ./typecheck/should_compile && 
'/64playpen/simonmar/validate/bindisttest/insta
ll dir/bin/ghc' -fforce-recomp -dcore-lint -dcmm-lint -dno-debug-output 
-no-user-package-conf -rtsopts  -c tc208.hs 
-fno-warn-incomplete-patterns >tc208.comp.stderr 2>&1
Compile failed (status 256) errors were:

tc208.hs:13:6:
     Couldn't match expected type `PPDoc' with actual type `Char'
     Expected type: Char -> PPDoc
       Actual type: Char -> Char
     In the expression: succ
     In an equation for `f': f = succ

*** unexpected failure for tc208(normal)