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-rw-r--r--testsuite/tests/deSugar/should_compile/ds056.hs14
1 files changed, 14 insertions, 0 deletions
diff --git a/testsuite/tests/deSugar/should_compile/ds056.hs b/testsuite/tests/deSugar/should_compile/ds056.hs
new file mode 100644
index 0000000000..77c3860112
--- /dev/null
+++ b/testsuite/tests/deSugar/should_compile/ds056.hs
@@ -0,0 +1,14 @@
+-- Check overlap in n+k patterns
+
+{-# LANGUAGE NPlusKPatterns #-}
+
+module Foo where
+
+g :: Int -> Int
+g (x+1) = x
+g y = y
+g _ = 0 -- Overlapped
+
+h :: Int -> Int
+h (x+1) = x
+h _ = 0 -- Not overlapped