Version 2.5.2

src/mark-compact.h

Index: src/mark-compact.h
diff --git a/src/mark-compact.h b/src/mark-compact.h
index 72a6fa3b624092cea830bedd7230e673f8844a23..7444c5bf3c27d2f36266ef99e9ec7d052d7a3f1c 100644
--- a/src/mark-compact.h
+++ b/src/mark-compact.h
@@ -53,7 +53,8 @@ class MarkCompactCollector: public AllStatic {
   // Object* that will be the object after forwarding.  There is a separate
   // allocation function for each (compactable) space based on the location
   // of the object before compaction.
-  typedef Object* (*AllocationFunction)(HeapObject* object, int object_size);
+  typedef MaybeObject* (*AllocationFunction)(HeapObject* object,
+                                             int object_size);
 
   // Type of functions to encode the forwarding address for an object.
   // Given the object, its size, and the new (non-failure) object it will be