Should only check frozen fix
@@ -106,11 +106,17 @@ ary_fill_with_nil(mrb_value *ptr, mrb_int size)
}
static void
-ary_modify(mrb_state *mrb, struct RArray *a)
+ary_modify_check(mrb_state *mrb, struct RArray *a)
{
if (MRB_FROZEN_P(a)) {
mrb_raise(mrb, E_RUNTIME_ERROR, "can't modify frozen array");
}
+}
+
+static void
+ary_modify(mrb_state *mrb, struct RArray *a)
+{
+ ary_modify_check(mrb, a);
if (ARY_SHARED_P(a)) {
mrb_shared_array *shared = a->aux.shared;
@@ -458,7 +464,7 @@ mrb_ary_shift(mrb_state *mrb, mrb_value self)
struct RArray *a = mrb_ary_ptr(self);
mrb_value val;
- ary_modify(mrb, a);
+ ary_modify_check(mrb, a);
if (a->len == 0) return mrb_nil_value();
if (ARY_SHARED_P(a)) {
L_SHIFT:
