Reserve `OP_SENDVK` for the future keyword arguments like Ruby3.0.
MODIFY
include/mruby/ops.h
include/mruby/ops.h
@@ -61,13 +61,14 @@ OPCODE(SENDV, BB) /* R(a) = call(R(a),Syms(b),*R(a+1)) */
OPCODE(SENDVB, BB) /* R(a) = call(R(a),Syms(b),*R(a+1),&R(a+2)) */
OPCODE(SEND, BBB) /* R(a) = call(R(a),Syms(b),R(a+1),...,R(a+c)) */
OPCODE(SENDB, BBB) /* R(a) = call(R(a),Syms(b),R(a+1),...,R(a+c),&R(a+c+1)) */
+OPCODE(SENDVK, BB) /* R(a) = call(R(a),Syms(b),*R(a+1),**(a+2),&R(a+3)) # todo */
OPCODE(CALL, Z) /* R(0) = self.call(frame.argc, frame.argv) */
OPCODE(SUPER, BB) /* R(a) = super(R(a+1),... ,R(a+b+1)) */
OPCODE(ARGARY, BS) /* R(a) = argument array (16=m5:r1:m5:d1:lv4) */
OPCODE(ENTER, W) /* arg setup according to flags (23=m5:o5:r1:m5:k5:d1:b1) */
-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(KEY_P, BB) /* R(a) = kdict.key?(Syms(b)) */
+OPCODE(KEYEND, Z) /* raise unless kdict.empty? */
+OPCODE(KARG, BB) /* R(a) = kdict[Syms(b)]; kdict.delete(Syms(b)) */
OPCODE(RETURN, B) /* return R(a) (normal) */
OPCODE(RETURN_BLK, B) /* return R(a) (in-block return) */
OPCODE(BREAK, B) /* break R(a) */

MODIFY
src/vm.c
src/vm.c
@@ -2820,6 +2820,10 @@ RETRY_TRY_BLOCK:
goto L_RAISE;
}
+ CASE(OP_SENDVK, BB) { /* not yet implemented */
+ NEXT;
+ }
+
CASE(OP_STOP, Z) {
/* stop VM */
CHECKPOINT_RESTORE(RBREAK_TAG_STOP) {

Reserve `OP_SENDVK` for the future keyword arguments like Ruby3.0.