No strict argument check for blocks when keyword arguments exist; ref
@@ -1810,7 +1810,8 @@ RETRY_TRY_BLOCK:
kdict = argv[argc-1];
mrb_hash_check_kdict(mrb, kdict);
}
- else if (r || argc <= m1+m2+o) {
+ else if (r || argc <= m1+m2+o
+ || !(mrb->c->ci->proc && MRB_PROC_STRICT_P(mrb->c->ci->proc))) {
kdict = mrb_hash_new(mrb);
kargs = 0;
}
