http://ipwaa69.uk.oracle.com:8080/view/jdk9-dev/job/jdk9-dev-build/1239/console

diff -r be3f5ca1edbf src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/arrays/LengthNotWritableFilter.java
--- a/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/arrays/LengthNotWritableFilter.java Wed Nov 12 14:12:01 2014 +0100
+++ b/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/arrays/LengthNotWritableFilter.java Wed Nov 12 14:38:31 2014 +0100
@@ -19,7 +19,7 @@
      * @param underlying array
      */
     LengthNotWritableFilter(final ArrayData underlying) {
- this(underlying, new TreeMap<>());
+ this(underlying, new TreeMap<Long, Object>());
     }
 

This fixes it. I built successfully with b37 on my machine :-(