diff options
Diffstat (limited to 'testsuite/tests/driver/T4437.hs')
| -rw-r--r-- | testsuite/tests/driver/T4437.hs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/testsuite/tests/driver/T4437.hs b/testsuite/tests/driver/T4437.hs new file mode 100644 index 0000000000..64634a9c74 --- /dev/null +++ b/testsuite/tests/driver/T4437.hs @@ -0,0 +1,26 @@ + +module Main (main) where + +import Data.List +import DynFlags +import Language.Haskell.Extension + +main :: IO () +main = do let ghcExtensions = [ ext | (ext, _, _, _) <- xFlags ] + cabalExtensions = map show [ toEnum 0 :: KnownExtension .. ] + ghcOnlyExtensions = ghcExtensions \\ cabalExtensions + -- These are extensions which are deliberately not yet + -- registered with Cabal + expectedGhcOnlyExtensions + = ["ParallelArrays", + "RelaxedLayout", + "DeriveGeneric", + "DefaultSignatures", + "InterruptibleFFI", + "AlternativeLayoutRule", + "AlternativeLayoutRuleTransitional", + "MonadComprehensions"] + unexpectedGhcOnlyExtension = ghcOnlyExtensions + \\ expectedGhcOnlyExtensions + mapM_ putStrLn unexpectedGhcOnlyExtension + |