Backport hash collision workaround to 3.6.

src/d8.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 742 matching lines @@
 }
 
 
 Persistent<Context> Shell::CreateEvaluationContext() {
 #ifndef V8_SHARED
   // This needs to be a critical section since this is not thread-safe
   i::ScopedLock lock(context_mutex_);
 #endif  // V8_SHARED
   // Initialize the global objects
   Handle<ObjectTemplate> global_template = CreateGlobalTemplate();
+
+  v8::TryCatch try_catch;
   Persistent<Context> context = Context::New(NULL, global_template);
-  ASSERT(!context.IsEmpty());
+  if (context.IsEmpty()) {
+    v8::Local<v8::Value> st = try_catch.StackTrace();
+    ASSERT(!context.IsEmpty());
+  }
   Context::Scope scope(context);
 
 #ifndef V8_SHARED
   i::JSArguments js_args = i::FLAG_js_arguments;
   i::Handle<i::FixedArray> arguments_array =
       FACTORY->NewFixedArray(js_args.argc());
   for (int j = 0; j < js_args.argc(); j++) {
     i::Handle<i::String> arg =
         FACTORY->NewStringFromUtf8(i::CStrVector(js_args[j]));
     arguments_array->set(j, *arg);
@@ skipping 572 matching lines @@
 }
 
 }  // namespace v8
 
 
 #ifndef GOOGLE3
 int main(int argc, char* argv[]) {
   return v8::Shell::Main(argc, argv);
 }
 #endif