array.c (mrb_ary_unshift_m): small refactoring
Unify size error by `ary_too_big()` function.
@@ -715,7 +715,7 @@ mrb_ary_unshift_m(mrb_state *mrb, mrb_value self)
}
len = ARY_LEN(a);
if (alen > ARY_MAX_SIZE - len) {
- mrb_raise(mrb, E_ARGUMENT_ERROR, "array size too big");
+ ary_too_big(mrb);
}
if (ARY_SHARED_P(a)
&& a->as.heap.aux.shared->refcnt == 1 /* shared only referenced from this array */
