Prettyprint symbols in mjsunit tests.

test/mjsunit/mjsunit.js

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 113 matching lines @@
   function PrettyPrint(value) {
     switch (typeof value) {
       case "string":
         return JSON.stringify(value);
       case "number":
         if (value === 0 && (1 / value) < 0) return "-0";
         // FALLTHROUGH.
       case "boolean":
       case "undefined":
       case "function":
+      case "symbol":
         return String(value);
       case "object":
         if (value === null) return "null";
         var objectClass = classOf(value);
         switch (objectClass) {
         case "Number":
         case "String":
         case "Boolean":
         case "Date":
           return objectClass + "(" + PrettyPrint(value.valueOf()) + ")";
@@ skipping 244 matching lines @@
     if (sync_opt === undefined) sync_opt = "";
     assertTrue(OptimizationStatus(fun, sync_opt) !== 1, name_opt);
   }
 
   assertOptimized = function assertOptimized(fun, sync_opt, name_opt) {
     if (sync_opt === undefined) sync_opt = "";
     assertTrue(OptimizationStatus(fun, sync_opt) !== 2, name_opt);
   }
 
 })();