The webrevs are http://cr.openjdk.java.net/~jjh/6502392-openJDK6/ http://cr.openjdk.java.net/~jjh/7003006-openJDK6/ http://cr.openjdk.java.net/~jjh/6999460-openJDK6/ http://cr.openjdk.java.net/~jjh/6999891-openJDK6/
The fix for 6999420 has already been approved- this is the bug about building Glassfish being very slow on Windows.
The other three fixes are basically to the same file, JavacFileManager.java, and were 'easy' to backport.
I request that you approve them. Thanks. - jjh