1 files changed, 16 insertions, 0 deletions
diff --git a/testsuite/tests/th/T10820.hs b/testsuite/tests/th/T10820.hs
new file mode 100644
index 0000000000..0e53bbde72
--- /dev/null
+++ b/testsuite/tests/th/T10820.hs
@@ -0,0 +1,16 @@
+{-# LANGUAGE LiberalTypeSynonyms #-}
+{-# LANGUAGE RankNTypes #-}
+{-# LANGUAGE TemplateHaskell #-}
+{-# LANGUAGE MagicHash #-}
+
+module Main where
+
+import Language.Haskell.TH.Syntax
+import GHC.LanguageExtensions
+
+main = do
+  print $(isExtEnabled Cpp                  >>= lift)
+  print $(isExtEnabled LiberalTypeSynonyms  >>= lift)
+  print $(isExtEnabled RankNTypes           >>= lift)
+  print $(isExtEnabled TypeSynonymInstances >>= lift)
+  print $(isExtEnabled MagicHash            >>= lift)