AT_BOUNDARY      2968 src/jsregexp.cc   bool at_boundary = (type_ == AssertionNode::AT_BOUNDARY);
AT_BOUNDARY      3069 src/jsregexp.cc     case AT_BOUNDARY:
AT_BOUNDARY      4460 src/jsregexp.cc     case AssertionNode::AT_BOUNDARY:
AT_BOUNDARY       882 src/jsregexp.h     return new(on_success->zone()) AssertionNode(AT_BOUNDARY, on_success);