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-rw-r--r--testsuite/tests/typecheck/should_fail/tcfail078.hs6
1 files changed, 6 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_fail/tcfail078.hs b/testsuite/tests/typecheck/should_fail/tcfail078.hs
new file mode 100644
index 0000000000..1054f6d3d6
--- /dev/null
+++ b/testsuite/tests/typecheck/should_fail/tcfail078.hs
@@ -0,0 +1,6 @@
+module ShouldFail where
+
+-- !!! Using a type constructor as a class name
+
+f :: Integer i => i
+f = 0