Fixes NPE using iterator with an XML attribute ...

Fixes NPE using iterator with an XML attribute being null or None      )
(SI-5052 Also fixes incorrect size method (SI-5115                     )

Contributed by Jordi Salvat i Alabart. Closes SI-5052, SI-5115, no
review.

1 files changed, 6 insertions, 0 deletions

diff --git a/test/files/run/t5052.scala b/test/files/run/t5052.scala
new file mode 100644
index 0000000000..9e418e8ac5
--- /dev/null
+++ b/test/files/run/t5052.scala
@@ -0,0 +1,6 @@
+object Test extends App {
+  assert(<elem attr={null:String} /> xml_== <elem />)
+  assert(<elem attr={None} /> xml_== <elem />)
+  assert(<elem /> xml_== <elem attr={null:String} />)
+  assert(<elem /> xml_== <elem attr={None} />)
+}