2 files changed, 21 insertions, 0 deletions
diff --git a/test/files/neg/t9684b.check b/test/files/neg/t9684b.check
new file mode 100644
index 0000000000..5f328abd43
--- /dev/null
+++ b/test/files/neg/t9684b.check
@@ -0,0 +1,7 @@
+t9684b.scala:6: error: reference to asScalaIterator is ambiguous;
+it is imported twice in the same scope by
+import scala.collection.JavaConversions._
+and import scala.collection.JavaConverters._
+  asScalaIterator(null)                                           // fails: asScalaIterator is imported twice.
+  ^
+one error found
diff --git a/test/files/neg/t9684b.scala b/test/files/neg/t9684b.scala
new file mode 100644
index 0000000000..010e9d1b5d
--- /dev/null
+++ b/test/files/neg/t9684b.scala
@@ -0,0 +1,14 @@
+trait T1 {
+  import scala.collection.JavaConverters._
+  import scala.collection.JavaConversions._
+
+  null.asInstanceOf[java.util.Iterator[String]]: Iterator[String] // works
+  asScalaIterator(null)                                           // fails: asScalaIterator is imported twice.
+}
+
+trait T2 {
+  import scala.collection.JavaConversions.asScalaIterator
+
+  null.asInstanceOf[java.util.Iterator[String]]: Iterator[String] // works
+  asScalaIterator(null)                                           // works
+}