Fix #16133 by checking for TypeApplications in rnExpr

3 files changed, 22 insertions, 0 deletions

diff --git a/testsuite/tests/th/T16133.hs b/testsuite/tests/th/T16133.hs
new file mode 100644
index 0000000000..b7f5e23d09
--- /dev/null
+++ b/testsuite/tests/th/T16133.hs
@@ -0,0 +1,13 @@
+{-# LANGUAGE PolyKinds #-}
+{-# LANGUAGE TemplateHaskell #-}
+module T16133 where
+
+import Data.Kind
+import Language.Haskell.TH hiding (Type)
+
+data P (a :: k) = MkP
+
+$([d| f :: Int
+      f = $(varE 'id `appTypeE` conT ''Int `appE` litE (integerL 42))
+
+      type P' = $(conT ''P `appKindT` conT ''Type) |])
diff --git a/testsuite/tests/th/T16133.stderr b/testsuite/tests/th/T16133.stderr
new file mode 100644
index 0000000000..30dcd3ada0
--- /dev/null
+++ b/testsuite/tests/th/T16133.stderr
@@ -0,0 +1,8 @@
+
+T16133.hs:10:3: error:
+    Illegal visible kind application ‘@Type’
+      Perhaps you intended to use TypeApplications
+
+T16133.hs:10:3: error:
+    Illegal visible type application ‘@Int’
+      Perhaps you intended to use TypeApplications
diff --git a/testsuite/tests/th/all.T b/testsuite/tests/th/all.T
index 7f420fb6e7..48b768127e 100644
--- a/testsuite/tests/th/all.T
+++ b/testsuite/tests/th/all.T
@@ -465,3 +465,4 @@ test('T15845', normal, compile, ['-v0 -dsuppress-uniques'])
 test('T15437', expect_broken(15437), multimod_compile,
      ['T15437', '-v0 ' + config.ghc_th_way_flags])
 test('T15985', normal, compile, [''])
+test('T16133', normal, compile_fail, [''])