2 files changed, 20 insertions, 0 deletions
diff --git a/tests/pos-java-interop/t2377/Q.java b/tests/pos-java-interop/t2377/Q.java
new file mode 100644
index 000000000..e3d11c70e
--- /dev/null
+++ b/tests/pos-java-interop/t2377/Q.java
@@ -0,0 +1,12 @@
+public final class Q {
+  public static final class Stage {
+    public static Builder newBuilder() { return new Builder(); }
+    public static final class Builder { }
+    public Builder toBuilder() { return newBuilder(); }
+  }
+  public static final class WorkUnit {
+    public static Builder newBuilder() { return new Builder(); }
+    public static final class Builder { }
+    public Builder toBuilder() { return newBuilder(); }
+  }
+}
diff --git a/tests/pos-java-interop/t2377/a.scala b/tests/pos-java-interop/t2377/a.scala
new file mode 100644
index 000000000..bda59ce0d
--- /dev/null
+++ b/tests/pos-java-interop/t2377/a.scala
@@ -0,0 +1,8 @@
+import Q._
+
+class Bop(var workUnit: WorkUnit) {
+  def addStages(stageBuilder: Stage.Builder): Unit = {
+    val builder = workUnit.toBuilder
+    ()
+  }
+}