1 files changed, 12 insertions, 0 deletions
diff --git a/tests/untried/neg/t3873.scala b/tests/untried/neg/t3873.scala
new file mode 100644
index 000000000..bf5799955
--- /dev/null
+++ b/tests/untried/neg/t3873.scala
@@ -0,0 +1,12 @@
+class A {
+  class B
+  def b: B = new B
+}
+
+object Test {
+  def wrongf(a: A)(b: a.B): a.B = b
+
+  val a = new A
+  wrongf(a)(a.b)
+  wrongf(new A)(a.b) // should not compile
+}