Prepare push to trunk. Now working on version 3.8.7.

ChangeLog

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 10400)
+++ ChangeLog	(working copy)
@@ -1,3 +1,22 @@
+2012-01-16: Version 3.8.6
+
+       Adjust position recorded for call expressions.
+       (http://crbug.com/109195)
+
+       Add seed to hash of numeric keyed properties. 
+
+       Change inlined cache of intanceof stub to use indirection through
+       cell. (http://crbug.com/109448)
+
+       Make heap size estimation returned from v8::V8::GetHeapStatistics more
+       accurate. (Issue 1893)
+
+       Add primitive WebGL ArrayBuffer() support to d8.
+
+       Provide an API for iterating through all external strings referenced
+       from the JS heap.
+
+
 2012-01-05: Version 3.8.5
 
         Fix broken test that assumes that no GC can clear the regexp cache (GC