[ic] Support data handlers that represent loads from prototypes.

src/factory.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/factory.h"
 
 #include "src/accessors.h"
 #include "src/allocation-site-scopes.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 84 matching lines @@
 Handle<PrototypeInfo> Factory::NewPrototypeInfo() {
   Handle<PrototypeInfo> result =
       Handle<PrototypeInfo>::cast(NewStruct(PROTOTYPE_INFO_TYPE));
   result->set_prototype_users(WeakFixedArray::Empty());
   result->set_registry_slot(PrototypeInfo::UNREGISTERED);
   result->set_validity_cell(Smi::kZero);
   result->set_bit_field(0);
   return result;
 }
 
+Handle<Tuple3> Factory::NewTuple3(Handle<Object> value1, Handle<Object> value2,
+                                  Handle<Object> value3) {
+  Handle<Tuple3> result = Handle<Tuple3>::cast(NewStruct(TUPLE3_TYPE));
+  result->set_value1(*value1);
+  result->set_value2(*value2);
+  result->set_value3(*value3);
+  return result;
+}
+
 Handle<ContextExtension> Factory::NewContextExtension(
     Handle<ScopeInfo> scope_info, Handle<Object> extension) {
   Handle<ContextExtension> result =
       Handle<ContextExtension>::cast(NewStruct(CONTEXT_EXTENSION_TYPE));
   result->set_scope_info(*scope_info);
   result->set_extension(*extension);
   return result;
 }
 
 Handle<Oddball> Factory::NewOddball(Handle<Map> map, const char* to_string,
@@ skipping 2489 matching lines @@
     Handle<AccessorInfo> prototype =
         Accessors::FunctionPrototypeInfo(isolate(), attribs);
     AccessorConstantDescriptor d(Handle<Name>(Name::cast(prototype->name())),
                                  prototype, attribs);
     map->AppendDescriptor(&d);
   }
 }
 
 }  // namespace internal
 }  // namespace v8