Separate Cell and PropertyCell spaces

src/heap-inl.h

Index: src/heap-inl.h
diff --git a/src/heap-inl.h b/src/heap-inl.h
index f0861b2e7a9546eea1beb74d1991f81349e1f3d3..a295b0d06c064909d6e1f68f3f4985b2fefe61b8 100644
--- a/src/heap-inl.h
+++ b/src/heap-inl.h
@@ -245,6 +245,8 @@ MaybeObject* Heap::AllocateRaw(int size_in_bytes,
     result = lo_space_->AllocateRaw(size_in_bytes, NOT_EXECUTABLE);
   } else if (CELL_SPACE == space) {
     result = cell_space_->AllocateRaw(size_in_bytes);
+  } else if (JS_GLOBAL_PROPERTY_CELL_SPACE == space) {
+    result = js_global_property_cell_space_->AllocateRaw(size_in_bytes);
   } else {
     ASSERT(MAP_SPACE == space);
     result = map_space_->AllocateRaw(size_in_bytes);
@@ -305,7 +307,19 @@ MaybeObject* Heap::AllocateRawCell() {
   isolate_->counters()->objs_since_last_full()->Increment();
   isolate_->counters()->objs_since_last_young()->Increment();
 #endif
-  MaybeObject* result = cell_space_->AllocateRaw(JSGlobalPropertyCell::kSize);
+  MaybeObject* result = cell_space_->AllocateRaw(Cell::kSize);
+  if (result->IsFailure()) old_gen_exhausted_ = true;
+  return result;
+}
+
+
+MaybeObject* Heap::AllocateRawJSGlobalPropertyCell() {
+#ifdef DEBUG
+  isolate_->counters()->objs_since_last_full()->Increment();
+  isolate_->counters()->objs_since_last_young()->Increment();
+#endif
+  MaybeObject* result =
+      js_global_property_cell_space_->AllocateRaw(JSGlobalPropertyCell::kSize);
   if (result->IsFailure()) old_gen_exhausted_ = true;
   return result;
 }
@@ -407,6 +421,7 @@ AllocationSpace Heap::TargetSpaceId(InstanceType type) {
   ASSERT(type != MAP_TYPE);
   ASSERT(type != CODE_TYPE);
   ASSERT(type != ODDBALL_TYPE);
+  ASSERT(type != CELL_TYPE);
   ASSERT(type != JS_GLOBAL_PROPERTY_CELL_TYPE);
 
   if (type <= LAST_NAME_TYPE) {