Fix test that uses the wrong kind of GC for testing weak references.

src/heap.cc

 // 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 4775 matching lines @@
     max_executable_size_ = max_old_generation_size_;
   }
 
   // The new space size must be a power of two to support single-bit testing
   // for containment.
   max_semispace_size_ = RoundUpToPowerOf2(max_semispace_size_);
   reserved_semispace_size_ = RoundUpToPowerOf2(reserved_semispace_size_);
   initial_semispace_size_ = Min(initial_semispace_size_, max_semispace_size_);
   external_allocation_limit_ = 10 * max_semispace_size_;
 
-  // The old generation is paged.
-  max_old_generation_size_ = RoundUp(max_old_generation_size_, Page::kPageSize);
+  // The old generation is paged and needs at least one page for each space.
+  int paged_space_count = LAST_PAGED_SPACE - FIRST_PAGED_SPACE + 1;
+  max_old_generation_size_ = Max(paged_space_count * Page::kPageSize,
+                                 RoundUp(max_old_generation_size_,
+                                         Page::kPageSize));
 
   configured_ = true;
   return true;
 }
 
 
 bool Heap::ConfigureHeapDefault() {
   return ConfigureHeap(static_cast<intptr_t>(FLAG_max_new_space_size / 2) * KB,
                        static_cast<intptr_t>(FLAG_max_old_space_size) * MB,
                        static_cast<intptr_t>(FLAG_max_executable_size) * MB);
@@ skipping 1262 matching lines @@
   }
   isolate_->heap()->store_buffer()->Filter(MemoryChunk::ABOUT_TO_BE_FREED);
   for (chunk = chunks_queued_for_free_; chunk != NULL; chunk = next) {
     next = chunk->next_chunk();
     isolate_->memory_allocator()->Free(chunk);
   }
   chunks_queued_for_free_ = NULL;
 }
 
 } }  // namespace v8::internal