Remove superflous comment just explaining C++ standard stuff

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Object fields, and some of the data structures of the VM contain GC*/stored/heap values

These need to go through a read barrier before being usable.

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Has been moved to ObjectFormat.h

- here it is merely redundant

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Fix some pointer types

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Change read and write barrier

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Missing read and missing write barrier

Signed-off-by: Stefan Marr <git@stefan-marr.de>