src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/arrays/DeletedRangeArrayFilter.java

@@ -99,14 +99,16 @@
 
         return super.ensure(safeIndex);
     }
 
     @Override
-    public void shiftLeft(final int by) {
+    public ArrayData shiftLeft(final int by) {
         super.shiftLeft(by);
         lo = Math.max(0, lo - by);
         hi = Math.max(-1, hi - by);
+
+        return isEmpty() ? getUnderlying() : this;
     }
 
     @Override
     public ArrayData shiftRight(final int by) {
         super.shiftRight(by);