8184289: Obsolete -XX:+UnsyncloadClass and -XX:+MustCallLoadClassInternal options Summary: Add comments, fix a small issue with the boot loader, and add an assert. Reviewed-by: coleenp, alanb, acorn, dholmes

8197999: Accessors in typeArrayOopDesc should use new Access API Reviewed-by: eosterlund, pliden