src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/ir/LiteralNode.java

*** 179,188 ****
--- 179,210 ----
      public Object getObject() {
          return value;
      }
  
      /**
+      * Test if the value is an array
+      *
+      * @return True if value is an array
+      */
+     public boolean isArray() {
+         return false;
+     }
+ 
+     public List<Expression> getElementExpressions() {
+         return null;
+     }
+ 
+     /**
+      * Test if the value is a boolean.
+      *
+      * @return True if value is a boolean.
+      */
+     public boolean isBoolean() {
+         return value instanceof Boolean;
+     }
+ 
+     /**
       * Test if the value is a string.
       *
       * @return True if value is a string.
       */
      public boolean isString() {
*** 605,614 ****
--- 627,642 ----
          private final int[] postsets;
  
          /** Sub units with indexes ranges, in which to split up code generation, for large literals */
          private final List<ArrayUnit> units;
  
+         @Override
+         public boolean isArray() {
+             return true;
+         }
+ 
+ 
          /**
           * An ArrayUnit is a range in an ArrayLiteral. ArrayLiterals can
           * be split if they are too large, for bytecode generation reasons
           */
          public static final class ArrayUnit implements CompileUnitHolder, Serializable {
*** 832,841 ****
--- 860,870 ----
          /**
           * Returns a list of array element expressions. Note that empty array elements manifest themselves as
           * null.
           * @return a list of array element expressions.
           */
+         @Override
          public List<Expression> getElementExpressions() {
              return Collections.unmodifiableList(Arrays.asList(value));
          }
  
          /**