Replace CopyMap(constructor->initial_map()) by Map::Create(constructor)

src/bootstrapper.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 "bootstrapper.h"
 
 #include "accessors.h"
 #include "isolate-inl.h"
 #include "natives.h"
 #include "snapshot.h"
@@ skipping 1354 matching lines @@
 
     Handle<Map> strict_mode_function_map(
         native_context()->strict_function_map());
     Handle<Map> strict_mode_generator_function_map =
         Map::Copy(strict_mode_function_map);
     strict_mode_generator_function_map->set_prototype(
         *generator_function_prototype);
     native_context()->set_strict_generator_function_map(
         *strict_mode_generator_function_map);
 
-    Handle<Map> object_map(native_context()->object_function()->initial_map());
-    Handle<Map> generator_object_prototype_map = factory()->CopyMap(
-        object_map, 0);
+    Handle<JSFunction> object_function(native_context()->object_function());
+    Handle<Map> generator_object_prototype_map = Map::Create(
+        object_function, 0);
     generator_object_prototype_map->set_prototype(
         *generator_object_prototype);
     native_context()->set_generator_object_prototype_map(
         *generator_object_prototype_map);
 
     // Create a map for generator result objects.
-    ASSERT(object_map->inobject_properties() == 0);
+    ASSERT(object_function->initial_map()->inobject_properties() == 0);
     STATIC_ASSERT(JSGeneratorObject::kResultPropertyCount == 2);
-    Handle<Map> generator_result_map = factory()->CopyMap(object_map,
-        JSGeneratorObject::kResultPropertyCount);
+    Handle<Map> generator_result_map = Map::Create(
+        object_function, JSGeneratorObject::kResultPropertyCount);
     ASSERT(generator_result_map->inobject_properties() ==
         JSGeneratorObject::kResultPropertyCount);
 
     Handle<DescriptorArray> descriptors = factory()->NewDescriptorArray(0,
         JSGeneratorObject::kResultPropertyCount);
     DescriptorArray::WhitenessWitness witness(*descriptors);
     generator_result_map->set_instance_descriptors(*descriptors);
 
     Handle<String> value_string = factory()->InternalizeOneByteString(
         STATIC_ASCII_VECTOR("value"));
@@ skipping 1323 matching lines @@
   return from + sizeof(NestingCounterType);
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   ASSERT(!IsActive());
 }
 
 } }  // namespace v8::internal