rb_iseqw_line_trace_all 2442 iseq.c             rb_define_method(rb_cISeq, "line_trace_all", rb_iseqw_line_trace_all, 0);
rb_iseqw_line_trace_all 2445 iseq.c             (void)rb_iseqw_line_trace_all;
rb_iseqw_line_trace_all  110 iseq.h         VALUE rb_iseqw_line_trace_all(VALUE iseqval);