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Unified Diff: src/property.h

Issue 8831: Remove unused maps during marking garbage collections. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 12 years, 2 months ago
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Index: src/property.h
===================================================================
--- src/property.h (revision 636)
+++ src/property.h (working copy)
@@ -99,7 +99,10 @@
friend class DescriptorArray;
};
-
+// A pointer from a map to the new map that is created by adding
+// a named property. These are key to the speed and functioning of V8.
+// The two maps should always have the same prototype, since
+// MapSpace::CreateBackPointers depends on this.
class MapTransitionDescriptor: public Descriptor {
public:
MapTransitionDescriptor(String* key, Map* map, PropertyAttributes attributes)
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