1 files changed, 29 insertions, 0 deletions
diff --git a/test/files/run/t9567c.scala b/test/files/run/t9567c.scala
new file mode 100644
index 0000000000..560bea8821
--- /dev/null
+++ b/test/files/run/t9567c.scala
@@ -0,0 +1,29 @@
+case class CaseSequenceTopLevel(as: Int*)
+
+object Test {
+   def main(args: Array[String]): Unit = {
+
+    val buffer1 = collection.mutable.Buffer(0, 0)
+    CaseSequenceTopLevel(buffer1: _*) match {
+      case CaseSequenceTopLevel(_, i) =>
+        buffer1(1) = 1
+        assert(i == 0, i) // fails in 2.11.7 -optimize
+    }
+
+    case class CaseSequence(as: Int*)
+    val buffer2 = collection.mutable.Buffer(0, 0)
+    CaseSequence(buffer2: _*) match {
+      case CaseSequence(_, i) =>
+        buffer2(1) = 1
+        assert(i == 0, i)
+    }
+
+    case class CaseSequenceWithVar(var x: Any, as: Int*)
+    val buffer3 = collection.mutable.Buffer(0, 0)
+    CaseSequenceWithVar("", buffer3: _*) match {
+      case CaseSequenceWithVar(_, _, i) => // crashes in 2.11.7
+        buffer2(1) = 1
+        assert(i == 0, i)
+    }
+  }
+}