Fix nasty bug in w/w for absence analysis
[ghc.git] / testsuite / tests / stranal / should_run / T14285.hs
1 module Main where
2
3 import T14285a
4 import Prelude hiding (null)
5
6 main :: IO ()
7 main = do
8 let args = "hw"
9 print $ null $ pre_images 'a' (Rel (fromList [('a',sfromList args)]) (fromList [('b',sfromList args)]))