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[project @ 2001-08-22 11:45:06 by sewardj]
[ghc-hetmet.git] / ghc / tests / typecheck / should_fail / tcfail091.hs
1 {-# OPTIONS -fglasgow-exts #-}
2
3 -- !!! Illegal superclass constraint
4 -- These examples actually crashed GHC 4.08.2
5
6 module ShouldFail where
7
8 class (?imp :: Int) => C t where
9
Glasgow Haskell Compiler with heterogeneous metaprogramming (generalized arrows and modal types)