ADD_TRACE         583 compile.c      		ADD_TRACE(ret, FIX2INT(iseq->body->location.first_lineno), RUBY_EVENT_B_CALL);
ADD_TRACE         587 compile.c      		ADD_TRACE(ret, nd_line(node), RUBY_EVENT_B_RETURN);
ADD_TRACE         596 compile.c      		ADD_TRACE(ret, FIX2INT(iseq->body->location.first_lineno), RUBY_EVENT_CLASS);
ADD_TRACE         598 compile.c      		ADD_TRACE(ret, nd_line(node), RUBY_EVENT_END);
ADD_TRACE         603 compile.c      		ADD_TRACE(ret, FIX2INT(iseq->body->location.first_lineno), RUBY_EVENT_CALL);
ADD_TRACE         605 compile.c      		ADD_TRACE(ret, nd_line(node), RUBY_EVENT_RETURN);
ADD_TRACE        3858 compile.c      	    ADD_TRACE(ret, line, RUBY_EVENT_LINE);
ADD_TRACE        5359 compile.c      		    ADD_TRACE(ret, line, RUBY_EVENT_RETURN);