Ensure that promotion queue does not overlap with objects relocated to ToSpace.

src/spaces-inl.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 275 matching lines @@
     }
     return object;
   }
 
   return Failure::RetryAfterGC(identity());
 }
 
 
 // -----------------------------------------------------------------------------
 // NewSpace
-MaybeObject* NewSpace::AllocateRawInternal(int size_in_bytes) {
+
+
+MaybeObject* NewSpace::AllocateRaw(int size_in_bytes) {
   Address old_top = allocation_info_.top;
   if (allocation_info_.limit - old_top < size_in_bytes) {
-    Address new_top = old_top + size_in_bytes;
-    Address high = to_space_.page_high();
-    if (allocation_info_.limit < high) {
-      // Incremental marking has lowered the limit to get a
-      // chance to do a step.
-      allocation_info_.limit = Min(
-          allocation_info_.limit + inline_allocation_limit_step_,
-          high);
-      int bytes_allocated = static_cast<int>(new_top - top_on_previous_step_);
-      heap()->incremental_marking()->Step(bytes_allocated);
-      top_on_previous_step_ = new_top;
-      return AllocateRawInternal(size_in_bytes);
-    } else if (AddFreshPage()) {
-      // Switched to new page. Try allocating again.
-      int bytes_allocated = static_cast<int>(old_top - top_on_previous_step_);
-      heap()->incremental_marking()->Step(bytes_allocated);
-      top_on_previous_step_ = to_space_.page_low();
-      return AllocateRawInternal(size_in_bytes);
-    } else {
-      return Failure::RetryAfterGC();
-    }
+    return SlowAllocateRaw(size_in_bytes);
   }
 
   Object* obj = HeapObject::FromAddress(allocation_info_.top);
   allocation_info_.top += size_in_bytes;
   ASSERT_SEMISPACE_ALLOCATION_INFO(allocation_info_, to_space_);
 
   return obj;
 }
 
 
@@ skipping 29 matching lines @@
   Map* map = object->map();
   Heap* heap = object->GetHeap();
   return map == heap->raw_unchecked_free_space_map()
       || map == heap->raw_unchecked_one_pointer_filler_map()
       || map == heap->raw_unchecked_two_pointer_filler_map();
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_SPACES_INL_H_