Prepare push to trunk.

ChangeLog

+2011-06-15: Version 3.4.4
+
+        Added snapshot compression support and --stress-opt flag to d8.
+
+        Improved performance of try/catch.
+
+        Several GYP-related changes: Added support for building Xcode project
+        files. Make the ARM simulator build with GYP again. Generate Makefiles
+        for all architectures on Linux.
+
+        Fixed Array.prototype.{reduce,reduceRight} to pass undefined as the
+        receiver for strict mode callbacks. (issue 1436)
+
+        Fixed a bug where an array load was incorrectly hoisted by GVN.
+
+        Handle 'undefined' correctly when === has been specialized for doubles.
+        (issue 1434)
+
+        Corrected the limit of local variables in an optimized function from 64
+        to 63.
+
+        Correctly set ReadOnly flag on indexed properties when using the API Set
+        method. (issue 1470)
+
+        Give the correct error message when Object.isExtensible is called on a
+        non-object. (issue 1452)
+
+        Added GetOwnPropertyNames method for Object in the API. Patch by Peter
+        Varga.
+
+        Do not redefine properties unneccesarily in seal and freeze. (issue
+        1447)
+
+        IsExecutionTerminating has an Isolate parameter now.
+
+        Distinguish keyed loads with a symbol key from fast elements loads,
+        avoiding some useless deoptimizations. (issue 1471)
+
+
 2011-06-08: Version 3.4.3
 
         Clear the global thread table when an isolate is disposed
         (issue 1433).
 
         Converted time zone name to UTF8 on Windows (issue 1290).
 
         Limited the number of arguments in a function call to 32766
         (issue 1413).
 
         Compress sources of JS libraries in addition to the snapshot.
 
         Fixed a bug in Lithium environment iteration.
 
         Performance improvements on all platforms.
 
+
 2011-06-06: Version 3.4.2
 
         More work on ES-Harmony proxies.  Still hidden behind a flag.
 
         Fixed some crash bugs and improved performance.
 
         Fixed building with gdb debugging support.
 
         Do not install SIGPROF handler until it is needed.
 
         Added DateTimeFormat to i18n API.
 
         Fixed compilation on OpenBSD.
 
         Take the ulimit into account when sizing the heap.  OpenBSD users
         may still have to increase the default ulimit to run heavy pages in
         the browser.
 
+
 2011-06-01: Version 3.4.1
 
         Fixed JSON stringify issue with arrays.
 
         Changed calls to JS builtins to be passed undefined when called with
         implicit receiver.
 
         Implemented the set trap for Harmony proxies. Proxies still need to
         be enabled with the --harmony-proxies flag.
 
@@ skipping 2842 matching lines @@
 
         Improved debugger support by allowing nested break points and by
         dealing with stack-overflows when compiling functions before
         setting break points in them.
 
 
 2008-07-03: Version 0.1.0
 
         Initial export.
 
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