6951784: Zero deoptimizer changes
Summary: The way Zero currently handles deoptimization can lead to methods being freed while they are still being executed.
Reviewed-by: twisti
Contributed-by: Gary Benson <gbenson@redhat.com>
6950617: Zero/Shark interface updates
Summary: Zero needs a couple of new methods to allow Shark to access the new frame anchor field.
Reviewed-by: twisti
Contributed-by: Gary Benson <gbenson@redhat.com>