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-rw-r--r--testsuite/tests/simplCore/should_compile/T13417.hs8
1 files changed, 8 insertions, 0 deletions
diff --git a/testsuite/tests/simplCore/should_compile/T13417.hs b/testsuite/tests/simplCore/should_compile/T13417.hs
new file mode 100644
index 0000000000..a919291bb7
--- /dev/null
+++ b/testsuite/tests/simplCore/should_compile/T13417.hs
@@ -0,0 +1,8 @@
+module T13417 where
+
+-- Amazingly this crashed GHC 8.0.2
+
+data T a = E7
+
+cons7 :: T a -> T b
+cons7 E7 = E7