ruby_debug       5561 compile.c      		if (ISEQ_COMPILE_DATA(iseq)->option->debug_frozen_string_literal || RTEST(ruby_debug)) {
ruby_debug       5584 compile.c      		if (ISEQ_COMPILE_DATA(iseq)->option->debug_frozen_string_literal || RTEST(ruby_debug)) {
ruby_debug        651 encoding.c         VALUE debug = ruby_debug;
ruby_debug        665 encoding.c         ruby_debug = Qfalse;
ruby_debug        669 encoding.c         ruby_debug = debug;
ruby_debug         78 eval.c                 if (RTEST(ruby_debug))
ruby_debug        524 eval.c             if (RTEST(ruby_debug) && !NIL_P(e = th->errinfo) &&
ruby_debug        176 ext/tk/tcltklib.c #define DUMP1(ARG1) if (ruby_debug) { fprintf(stderr, "tcltklib: %s\n", ARG1); fflush(stderr); }
ruby_debug        177 ext/tk/tcltklib.c #define DUMP2(ARG1, ARG2) if (ruby_debug) { fprintf(stderr, "tcltklib: ");\
ruby_debug        179 ext/tk/tcltklib.c #define DUMP3(ARG1, ARG2, ARG3) if (ruby_debug) { fprintf(stderr, "tcltklib: ");\
ruby_debug       5658 ext/tk/tcltklib.c     rb_debug_bup   = ruby_debug;
ruby_debug       5721 ext/tk/tcltklib.c         ruby_debug   = Qfalse;
ruby_debug       5726 ext/tk/tcltklib.c         ruby_debug   = rb_debug_bup;
ruby_debug       5735 ext/tk/tcltklib.c         ruby_debug   = Qfalse;
ruby_debug       5738 ext/tk/tcltklib.c         ruby_debug   = rb_debug_bup;
ruby_debug       5746 ext/tk/tcltklib.c         ruby_debug   = Qfalse;
ruby_debug       5749 ext/tk/tcltklib.c         ruby_debug   = rb_debug_bup;
ruby_debug       5756 ext/tk/tcltklib.c     ruby_debug   = rb_debug_bup;
ruby_debug        930 ruby.c         	    ruby_debug = Qtrue;
ruby_debug       1192 ruby.c         		    ruby_debug = Qtrue;
ruby_debug       2144 ruby.c             rb_define_variable("$DEBUG", &ruby_debug);
ruby_debug       2145 ruby.c             rb_define_variable("$-d", &ruby_debug);
ruby_debug       1204 sprintf.c      	if (RTEST(ruby_debug)) rb_raise(rb_eArgError, "%s", mesg);
ruby_debug        610 thread.c       		     th->abort_on_exception || RTEST(ruby_debug)) {