src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/parser/Lexer.java

@@ -1129,15 +1129,11 @@
      * @param radix        Numeric base.
      * @return Converted number.
      */
     private static Number valueOf(final String valueString, final int radix) throws NumberFormatException {
         try {
-            final long value = Long.parseLong(valueString, radix);
-            if(value >= MIN_INT_L && value <= MAX_INT_L) {
-                return (int)value;
-            }
-            return value;
+            return Integer.parseInt(valueString, radix);
         } catch (final NumberFormatException e) {
             if (radix == 10) {
                 return Double.valueOf(valueString);
             }
 

@@ -1780,12 +1776,10 @@
             //and new Color(float, float, float) will get ambiguous for cases like
             //new Color(1.0, 1.5, 1.5) if we don't respect the decimal point.
             //yet we don't want e.g. 1e6 to be a double unnecessarily
             if (JSType.isStrictlyRepresentableAsInt(value)) {
                 return (int)value;
-            } else if (JSType.isStrictlyRepresentableAsLong(value)) {
-                return (long)value;
             }
             return value;
         case STRING:
             return source.getString(start, len); // String
         case ESCSTRING: