Tweaks to the code serializer.

src/heap/heap.cc

 // Copyright 2012 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/v8.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/base/bits.h"
 #include "src/base/once.h"
@@ skipping 4533 matching lines @@
     case LO_SPACE:
       return lo_space_->SlowContains(addr);
     case INVALID_SPACE:
       break;
   }
   UNREACHABLE();
   return false;
 }
 
 
+bool Heap::RootIsImmortalImmovable(int root_index) {
+  switch (root_index) {
+#define CASE(name)               \
+  case Heap::k##name##RootIndex: \
+    return true;
+    IMMORTAL_IMMOVABLE_ROOT_LIST(CASE);
+#undef CASE
+    default:
+      return false;
+  }
+}
+
+
 #ifdef VERIFY_HEAP
 void Heap::Verify() {
   CHECK(HasBeenSetUp());
   HandleScope scope(isolate());
 
   store_buffer()->Verify();
 
   if (mark_compact_collector()->sweeping_in_progress()) {
     // We have to wait here for the sweeper threads to have an iterable heap.
     mark_compact_collector()->EnsureSweepingCompleted();
@@ skipping 1675 matching lines @@
       static_cast<int>(object_sizes_last_time_[index]));
   CODE_AGE_LIST_COMPLETE(ADJUST_LAST_TIME_OBJECT_COUNT)
 #undef ADJUST_LAST_TIME_OBJECT_COUNT
 
   MemCopy(object_counts_last_time_, object_counts_, sizeof(object_counts_));
   MemCopy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_));
   ClearObjectStats();
 }
 }
 }  // namespace v8::internal