Create a new paged heap space for global property cells. The new...

src/objects-inl.h

 // Copyright 2006-2008 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 750 matching lines @@
   return Construct(OUT_OF_MEMORY_EXCEPTION);
 }
 
 
 int Failure::value() const {
   return static_cast<int>(reinterpret_cast<intptr_t>(this) >> kFailureTagSize);
 }
 
 
 Failure* Failure::RetryAfterGC(int requested_bytes) {
+  // Assert that the space encoding fits in the three bytes allotted for it.
+  ASSERT((LAST_SPACE & ~kSpaceTagMask) == 0);
   int requested = requested_bytes >> kObjectAlignmentBits;
   int value = (requested << kSpaceTagSize) | NEW_SPACE;
   ASSERT(value >> kSpaceTagSize == requested);
   ASSERT(Smi::IsValid(value));
   ASSERT(value == ((value << kFailureTypeTagSize) >> kFailureTypeTagSize));
   ASSERT(Smi::IsValid(value << kFailureTypeTagSize));
   return Construct(RETRY_AFTER_GC, value);
 }
 
 
@@ skipping 1915 matching lines @@
 #undef WRITE_INT_FIELD
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_