Bump `base` version to 4.9.0.0 (closes #11026)
[ghc.git] / testsuite / tests / typecheck / should_fail / mc20.stderr
1
2 mc20.hs:14:31:
3     No instance for (Ord Unorderable) arising from a use of ‘groupWith’
4     In the expression: groupWith
5     In a stmt of a monad comprehension: then group by x using groupWith
6     In the expression:
7       [() | x <- [Gnorf, Brain], then group by x using groupWith]