2 files changed, 24 insertions, 0 deletions
diff --git a/Test/dafny4/Bug138.dfy b/Test/dafny4/Bug138.dfy
new file mode 100644
index 00000000..db0e54ef
--- /dev/null
+++ b/Test/dafny4/Bug138.dfy
@@ -0,0 +1,22 @@
+// RUN: %dafny /compile:0  "%s" > "%t"
+// RUN: %diff "%s.expect" "%t"
+
+datatype List = Nil | Cons(int, List)
+
+method R(xs: List)
+{
+  match xs
+  case Nil() =>    // currently produces a parsing error, but shouldn't
+  case Cons(x, Nil()) =>  // currently allowed
+  case Cons(x, Cons(y, tail)) =>
+}
+
+function F(xs: List) : int
+{
+  match xs
+  case Nil() =>  0  // currently produces a parsing error, but shouldn't
+  case Cons(x, Nil()) => 1 // currently allowed
+  case Cons(x, Cons(y, tail)) => 2
+}
+
+
diff --git a/Test/dafny4/Bug138.dfy.expect b/Test/dafny4/Bug138.dfy.expect
new file mode 100644
index 00000000..52595bf9
--- /dev/null
+++ b/Test/dafny4/Bug138.dfy.expect
@@ -0,0 +1,2 @@
+
+Dafny program verifier finished with 3 verified, 0 errors