1 files changed, 19 insertions, 0 deletions
diff --git a/test/files/pos/t5580b.scala b/test/files/pos/t5580b.scala
new file mode 100644
index 0000000000..d5a4a0a2b2
--- /dev/null
+++ b/test/files/pos/t5580b.scala
@@ -0,0 +1,19 @@
+/** It's a pos test because it does indeed compile,
+ *  not so much because I'm glad it does.  Testing
+ *  that error messages created and discarded during
+ *  implicit search don't blow it up.
+ */
+
+import scala.collection.mutable.WeakHashMap
+import scala.collection.JavaConversions._
+
+class bar { }
+
+class foo {
+  val map = WeakHashMap[AnyRef, collection.mutable.Map[bar, collection.mutable.Set[bar]]]()
+
+  def test={
+    val tmp:bar=null
+    if (map.get(tmp).isEmpty) map.put(tmp,collection.mutable.Set())
+  }
+}