Push revisions 1527, 1539, 1540, 1541, 1550, 1551 from bleeding_edge to trunk.
git-svn-id: http://v8.googlecode.com/svn/trunk@1555 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/heap.cc b/src/heap.cc
index 8159311..f384297 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -57,6 +57,8 @@
SYMBOL_LIST(SYMBOL_ALLOCATION)
#undef SYMBOL_ALLOCATION
+String* Heap::hidden_symbol_;
+
NewSpace Heap::new_space_;
OldSpace* Heap::old_pointer_space_ = NULL;
OldSpace* Heap::old_data_space_ = NULL;
@@ -1206,6 +1208,16 @@
SYMBOL_LIST(SYMBOL_INITIALIZE)
#undef SYMBOL_INITIALIZE
+ // Allocate the hidden symbol which is used to identify the hidden properties
+ // in JSObjects. The hash code has a special value so that it will not match
+ // the empty string when searching for the property. It cannot be part of the
+ // SYMBOL_LIST because it needs to be allocated manually with the special
+ // hash code in place. The hash code for the hidden_symbol is zero to ensure
+ // that it will always be at the first entry in property descriptors.
+ obj = AllocateSymbol(CStrVector(""), 0, String::kHashComputedMask);
+ if (obj->IsFailure()) return false;
+ hidden_symbol_ = String::cast(obj);
+
// Allocate the proxy for __proto__.
obj = AllocateProxy((Address) &Accessors::ObjectPrototype);
if (obj->IsFailure()) return false;
@@ -2650,6 +2662,7 @@
v->VisitPointer(bit_cast<Object**, String**>(&name##_));
SYMBOL_LIST(SYMBOL_ITERATE)
#undef SYMBOL_ITERATE
+ v->VisitPointer(bit_cast<Object**, String**>(&hidden_symbol_));
SYNCHRONIZE_TAG("symbol");
Bootstrapper::Iterate(v);