testsuite: Assert that testsuite ways are known
[ghc.git] / testsuite / tests / typecheck / should_compile / Tc263_Help.hs
1 {-# LANGUAGE MultiParamTypeClasses, FlexibleInstances #-}
2
3 module Tc263_Help where
4
5 class C a b where foo :: (a,b)
6
7 instance C [Int] b where foo = undefined