Prepare push to trunk. We are now working on 3.6.6.

ChangeLog

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 9529)
+++ ChangeLog	(working copy)
@@ -1,3 +1,45 @@
+2011-10-05: Version 3.6.5
+
+        New incremental garbage collector.
+
+        Removed the hard heap size limit (soft heap size limit is still
+        700/1400Mbytes by default).
+
+        Implemented ES5 generic Array.prototype.toString (Issue 1361).
+
+        V8 now allows surrogate pair codes in decodeURIComponent (Issue 1415).
+
+        Fixed x64 RegExp start-of-string bug (Issues 1746, 1748).
+
+        Fixed propertyIsEnumerable for numeric properties (Issue 1692).
+
+        Fixed the MinGW and Windows 2000 builds.
+
+        Fixed "Prototype chain is not searched if named property handler does
+        not set a property" (Issue 1636).
+
+        Made the RegExp.prototype object be a RegExp object (Issue 1217).
+
+        Disallowed future reserved words as labels in strict mode.
+
+        Fixed string split to correctly coerce the separator to a string
+        (Issue 1711).
+
+        API: Added an optional source length field to the Extension
+        constructor.
+
+        API: Added Debug::DisableAgent to match existing Debug::EnableAgent
+        (Issue 1573).
+
+        Added "native" target to Makefile for the benefit of Linux distros.
+
+        Fixed: debugger stops stepping outside evaluate (Issue 1639).
+
+        More work on ES-Harmony proxies.  Still hidden behind a flag.
+
+        Bug fixes and performance improvements on all platforms.
+
+
 2011-09-15: Version 3.6.4
 
         Fixed d8's broken readline history.