Add --ignore-glob for ghc-supported-languages

Author: philderbeast

.hlint.yaml

@@ -57,6 +57,8 @@
     - --ignore-glob=Cabal-syntax/src/Distribution/Fields/Lexer.hs
     - --ignore-glob=Cabal-tests/tests/custom-setup/CabalDoctestSetup.hs
     - --ignore-glob=Cabal-tests/tests/custom-setup/IdrisSetup.hs
+    # TODO: Remove --ignore-glob for ghc-supported-languages.hs when this module compiles
+    - --ignore-glob=Cabal-tests/tests/misc/ghc-supported-languages.hs
     - --ignore-glob=cabal-testsuite/PackageTests/BuildWays/q/app/Main.hs
     - --ignore-glob=cabal-testsuite/PackageTests/CMain/10168/src/Lib.hs
     - --ignore-glob=cabal-testsuite/PackageTests/CmmSources/src/Demo.hs

Cabal-tests/tests/misc/ghc-supported-languages.hs

@@ -17,7 +17,7 @@ import System.Exit
 -- | A list of GHC extensions that are deliberately not registered,
 -- e.g. due to being experimental and not ready for public consumption
 --
-exceptions = []
+exceptions = map readExtension []
 
 checkProblems :: [Extension] -> [String]
 checkProblems implemented =