Otherwise, new entries might be inserted by sculpt_undo_push_node() into the GHash used internally by BM_log_original_vert_co() by a different thread. Fixes bug [#33787] http://projects.blender.org/tracker/?func=detail&aid=33787&group_id=9&atid=498
Otherwise, new entries might be inserted by sculpt_undo_push_node() into the GHash used internally by BM_log_original_vert_co() by a different thread. Fixes bug [#33787] http://projects.blender.org/tracker/?func=detail&aid=33787&group_id=9&atid=498