1 files changed, 9 insertions, 0 deletions
diff --git a/tests/pos/t2797.scala b/tests/pos/t2797.scala
new file mode 100644
index 000000000..cf579d8de
--- /dev/null
+++ b/tests/pos/t2797.scala
@@ -0,0 +1,9 @@
+class MyVector[A] {
+  def map[B](f: A => B): MyVector[B] = sys.error("")
+}
+
+object Test {
+  def unzip[B, C](_this: MyVector[(B, C)]): (MyVector[B], MyVector[C]) = {
+    (_this.map{ bc => bc._1 }, _this.map{ bc => bc._2 })
+  }
+}