should update cdump.c to new mrb_add_irep() API; close #597

src/cdump.c

@@ -112,9 +112,8 @@ make_cdump_irep(mrb_state *mrb, int irep_no, FILE *f)
   }
 
   SOURCE_CODE0     ("  ai = mrb->arena_idx;");
-  SOURCE_CODE0     ("  irep = mrb->irep[idx] = mrb_malloc(mrb, sizeof(mrb_irep));");
+  SOURCE_CODE0     ("  irep = mrb_add_irep(mrb);");
   SOURCE_CODE0     ("  irep->flags = MRB_ISEQ_NO_FREE;");
-  SOURCE_CODE0     ("  irep->idx = idx++;");
   SOURCE_CODE      ("  irep->nlocals = %d;",                                          irep->nlocals);
   SOURCE_CODE      ("  irep->nregs = %d;",                                            irep->nregs);
   SOURCE_CODE      ("  irep->ilen = %d;",                                             irep->ilen);
@@ -199,8 +198,6 @@ mrb_cdump_irep(mrb_state *mrb, int n, FILE *f,const char *initname)
   SOURCE_CODE0("  int ai;");
   SOURCE_CODE0("  mrb_irep *irep;");
   SOURCE_CODE0("");
-  SOURCE_CODE ("  mrb_add_irep(mrb, idx+%d);",  irep_num);
-  SOURCE_CODE0("");
   for (irep_no=n; irep_no<mrb->irep_len; irep_no++) {
     if (make_cdump_irep(mrb, irep_no, f) != 0)
       return -1;