ES6 symbols: implement name property

src/objects-visiting-inl.h

 // Copyright 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 31 matching lines @@
   table_.Register(kVisitConsString,
                   &FixedBodyVisitor<StaticVisitor,
                   ConsString::BodyDescriptor,
                   int>::Visit);
 
   table_.Register(kVisitSlicedString,
                   &FixedBodyVisitor<StaticVisitor,
                   SlicedString::BodyDescriptor,
                   int>::Visit);
 
+  table_.Register(kVisitSymbol,
+                  &FixedBodyVisitor<StaticVisitor,
+                  Symbol::BodyDescriptor,
+                  int>::Visit);
+
   table_.Register(kVisitFixedArray,
                   &FlexibleBodyVisitor<StaticVisitor,
                   FixedArray::BodyDescriptor,
                   int>::Visit);
 
   table_.Register(kVisitFixedDoubleArray, &VisitFixedDoubleArray);
 
   table_.Register(kVisitNativeContext,
                   &FixedBodyVisitor<StaticVisitor,
                   Context::ScavengeBodyDescriptor,
@@ skipping 41 matching lines @@
   table_.Register(kVisitConsString,
                   &FixedBodyVisitor<StaticVisitor,
                   ConsString::BodyDescriptor,
                   void>::Visit);
 
   table_.Register(kVisitSlicedString,
                   &FixedBodyVisitor<StaticVisitor,
                   SlicedString::BodyDescriptor,
                   void>::Visit);
 
+  table_.Register(kVisitSymbol,
+                  &FixedBodyVisitor<StaticVisitor,
+                  Symbol::BodyDescriptor,
+                  void>::Visit);
+
   table_.Register(kVisitFixedArray, &FixedArrayVisitor::Visit);
 
   table_.Register(kVisitFixedDoubleArray, &DataObjectVisitor::Visit);
 
   table_.Register(kVisitNativeContext, &VisitNativeContext);
 
   table_.Register(kVisitByteArray, &DataObjectVisitor::Visit);
 
   table_.Register(kVisitFreeSpace, &DataObjectVisitor::Visit);
 
@@ skipping 586 matching lines @@
   RelocIterator it(this, mode_mask);
   for (; !it.done(); it.next()) {
     it.rinfo()->template Visit<StaticVisitor>(heap);
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_VISITING_INL_H_