sspitsyn [Sat, 01 Mar 2014 08:05:55 -0800] rev 23180
6471769: Error: assert(_cur_stack_depth == count_frames(),"cur_stack_depth out of sync")
Summary: It is more safe to get/update data for suspended threads at a safepoint
Reviewed-by: dcubed, twisti, dholmes
Contributed-by: serguei.spitsyn@oracle.com