ES6 symbols: prevent reflection and proxy APIs from leaking symbols

src/mirror-debugger.js

 // Copyright 2006-2012 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 620 matching lines @@
   // Find kind and limit and allocate array for the result
   kind = kind || PropertyKind.Named | PropertyKind.Indexed;
 
   var propertyNames;
   var elementNames;
   var total = 0;
 
   // Find all the named properties.
   if (kind & PropertyKind.Named) {
     // Get the local property names.
-    propertyNames = %GetLocalPropertyNames(this.value_);
+    propertyNames = %GetLocalPropertyNames(this.value_, true);
     total += propertyNames.length;
 
     // Get names for named interceptor properties if any.
     if (this.hasNamedInterceptor() && (kind & PropertyKind.Named)) {
       var namedInterceptorNames =
           %GetNamedInterceptorPropertyNames(this.value_);
       if (namedInterceptorNames) {
         propertyNames = propertyNames.concat(namedInterceptorNames);
         total += namedInterceptorNames.length;
       }
@@ skipping 1965 matching lines @@
   }
   if (!NUMBER_IS_FINITE(value)) {
     if (value > 0) {
       return 'Infinity';
     } else {
       return '-Infinity';
     }
   }
   return value;
 }