Implement get trap for proxies.

src/bootstrapper.cc

 // Copyright 2011 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 1620 matching lines @@
 
 #ifdef DEBUG
   builtins->Verify();
 #endif
 
   return true;
 }
 
 
 bool Genesis::InstallExperimentalNatives() {
-  if (FLAG_harmony_proxies) {
-    for (int i = ExperimentalNatives::GetDebuggerCount();
-         i < ExperimentalNatives::GetBuiltinsCount();
-         i++) {
+  for (int i = ExperimentalNatives::GetDebuggerCount();
+       i < ExperimentalNatives::GetBuiltinsCount();
+       i++) {
+    if (FLAG_harmony_proxies &&
+        strcmp(ExperimentalNatives::GetScriptName(i).start(),
+               "native proxy.js") == 0) {
       if (!CompileExperimentalBuiltin(isolate(), i)) return false;
     }
   }
   return true;
 }
 
 
 static Handle<JSObject> ResolveBuiltinIdHolder(
     Handle<Context> global_context,
     const char* holder_expr) {
@@ skipping 342 matching lines @@
           break;
         }
         case MAP_TRANSITION:
         case EXTERNAL_ARRAY_TRANSITION:
         case CONSTANT_TRANSITION:
         case NULL_DESCRIPTOR:
           // Ignore non-properties.
           break;
         case NORMAL:
           // Do not occur since the from object has fast properties.
+        case HANDLER:
         case INTERCEPTOR:
-          // No element in instance descriptors have interceptor type.
+          // No element in instance descriptors have proxy or interceptor type.
           UNREACHABLE();
           break;
       }
     }
   } else {
     Handle<StringDictionary> properties =
         Handle<StringDictionary>(from->property_dictionary());
     int capacity = properties->Capacity();
     for (int i = 0; i < capacity; i++) {
       Object* raw_key(properties->KeyAt(i));
@@ skipping 139 matching lines @@
   return from + sizeof(NestingCounterType);
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   ASSERT(!IsActive());
 }
 
 } }  // namespace v8::internal