Removed unused instruction: `OP_KDICT`.

include/mruby/ops.h

@@ -66,7 +66,6 @@ OPCODE(ENTER,      W)        /* arg setup according to flags (23=m5:o5:r1:m5:k5:
 OPCODE(KEY_P,      BB)       /* R(a) = kdict.key?(Syms(b))                      # todo */
 OPCODE(KEYEND,     Z)        /* raise unless kdict.empty?                       # todo */
 OPCODE(KARG,       BB)       /* R(a) = kdict[Syms(b)]; kdict.delete(Syms(b))    # todo */
-OPCODE(KDICT,      B)        /* R(a) = kdict                                    # todo */
 OPCODE(RETURN,     B)        /* return R(a) (normal) */
 OPCODE(RETURN_BLK, B)        /* return R(a) (in-block return) */
 OPCODE(BREAK,      B)        /* break R(a) */

src/codedump.c

@@ -285,10 +285,6 @@ codedump(mrb_state *mrb, mrb_irep *irep)
       printf("OP_KARG\tR%d\t:%s\t", a, mrb_sym2name(mrb, irep->syms[b]));
       print_lv_a(mrb, irep, a);
       break;
-    CASE(OP_KDICT, B):
-      printf("OP_KDICT\tR%d\t\t", a);
-      print_lv_a(mrb, irep, a);
-      break;
     CASE(OP_RETURN, B):
       printf("OP_RETURN\tR%d\t\t", a);
       print_lv_a(mrb, irep, a);

src/vm.c

@@ -1872,11 +1872,6 @@ RETRY_TRY_BLOCK:
       NEXT;
     }
 
-    CASE(OP_KDICT, B) {
-      regs[a] = regs[mrb->c->ci->argc];
-      NEXT;
-    }
-
     CASE(OP_BREAK, B) {
       c = OP_R_BREAK;
       goto L_RETURN;