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-rw-r--r--testsuite/tests/tcplugins/TcPlugin_CtId.hs13
1 files changed, 13 insertions, 0 deletions
diff --git a/testsuite/tests/tcplugins/TcPlugin_CtId.hs b/testsuite/tests/tcplugins/TcPlugin_CtId.hs
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index 0000000000..14698a9f3f
--- /dev/null
+++ b/testsuite/tests/tcplugins/TcPlugin_CtId.hs
@@ -0,0 +1,13 @@
+{-# OPTIONS_GHC -dcore-lint #-}
+{-# OPTIONS_GHC -fplugin CtIdPlugin #-}
+
+module TcPlugin_CtId where
+
+import Definitions
+ ( CtId )
+
+foo :: CtId (Num a) => a
+foo = 5
+
+bar :: Int
+bar = foo