Make objects embedded in optimized code weak.

src/factory.cc

 // Copyright 2013 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 108 matching lines @@
 
 Handle<ObjectHashTable> Factory::NewObjectHashTable(int at_least_space_for) {
   ASSERT(0 <= at_least_space_for);
   CALL_HEAP_FUNCTION(isolate(),
                      ObjectHashTable::Allocate(isolate()->heap(),
                                                at_least_space_for),
                      ObjectHashTable);
 }
 
 
+Handle<WeakHashTable> Factory::NewWeakHashTable(int at_least_space_for) {
+  ASSERT(0 <= at_least_space_for);
+  CALL_HEAP_FUNCTION(
+      isolate(),
+      WeakHashTable::Allocate(isolate()->heap(),
+                              at_least_space_for,
+                              WeakHashTable::USE_DEFAULT_MINIMUM_CAPACITY,
+                              TENURED),
+      WeakHashTable);
+}
+
+
 Handle<DescriptorArray> Factory::NewDescriptorArray(int number_of_descriptors,
                                                     int slack) {
   ASSERT(0 <= number_of_descriptors);
   CALL_HEAP_FUNCTION(isolate(),
                      DescriptorArray::Allocate(
                          isolate(), number_of_descriptors, slack),
                      DescriptorArray);
 }
 
 
@@ skipping 452 matching lines @@
                      Map);
 }
 
 
 Handle<FixedArray> Factory::CopyFixedArray(Handle<FixedArray> array) {
   CALL_HEAP_FUNCTION(isolate(), array->Copy(), FixedArray);
 }
 
 
 Handle<FixedArray> Factory::CopySizeFixedArray(Handle<FixedArray> array,
-                                               int new_length) {
-  CALL_HEAP_FUNCTION(isolate(), array->CopySize(new_length), FixedArray);
+                                               int new_length,
+                                               PretenureFlag pretenure) {
+  CALL_HEAP_FUNCTION(isolate(),
+                     array->CopySize(new_length, pretenure),
+                     FixedArray);
 }
 
 
 Handle<FixedDoubleArray> Factory::CopyFixedDoubleArray(
     Handle<FixedDoubleArray> array) {
   CALL_HEAP_FUNCTION(isolate(), array->Copy(), FixedDoubleArray);
 }
 
 
 Handle<JSFunction> Factory::BaseNewFunctionFromSharedFunctionInfo(
@@ skipping 1018 matching lines @@
   return Handle<Object>::null();
 }
 
 
 Handle<Object> Factory::ToBoolean(bool value) {
   return value ? true_value() : false_value();
 }
 
 
 } }  // namespace v8::internal