Mark pages created during bootstrapping as never-evacuate.

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 5541 matching lines @@
 
   // Set up the special root array entries containing the stack limits.
   // These are actually addresses, but the tag makes the GC ignore it.
   roots_[kStackLimitRootIndex] = reinterpret_cast<Object*>(
       (isolate_->stack_guard()->jslimit() & ~kSmiTagMask) | kSmiTag);
   roots_[kRealStackLimitRootIndex] = reinterpret_cast<Object*>(
       (isolate_->stack_guard()->real_jslimit() & ~kSmiTagMask) | kSmiTag);
 }
 
 
-void Heap::NotifyDeserializationComplete() { deserialization_complete_ = true; }
+void Heap::NotifyDeserializationComplete() {
+  deserialization_complete_ = true;
+#ifdef DEBUG
+  // All pages right after bootstrapping must be marked as never-evacuate.
+  PagedSpaces spaces(this);
+  for (PagedSpace* s = spaces.next(); s != NULL; s = spaces.next()) {
+    PageIterator it(s);
+    while (it.has_next()) CHECK(it.next()->NeverEvacuate());
+  }
+#endif  // DEBUG
+}
 
 
 void Heap::TearDown() {
 #ifdef VERIFY_HEAP
   if (FLAG_verify_heap) {
     Verify();
   }
 #endif
 
   UpdateMaximumCommitted();
@@ skipping 953 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