vm.c: fix a half-baked implementation of `OP_SETIDX`; ref
@@ -1383,7 +1383,6 @@ RETRY_TRY_BLOCK:
break;
default:
getidx_fallback:
- c = 1;
mid = MRB_OPSYM(aref);
goto L_SEND_SYM;
}
@@ -1393,7 +1392,8 @@ RETRY_TRY_BLOCK:
CASE(OP_SETIDX, B) {
c = 2;
mid = MRB_OPSYM(aset);
- goto L_SEND_SYM;
+ SET_NIL_VALUE(regs[a+3]);
+ goto L_SENDB_SYM;
}
CASE(OP_GETCONST, BB) {
