Add `mrb_noreturn` to `cmperr()` in `src/numeric.c`
MODIFY
src/numeric.c
src/numeric.c
@@ -1498,7 +1498,7 @@ integral_cmp(mrb_state *mrb, mrb_value self)
return mrb_fixnum_value(n);
}
-static void
+static mrb_noreturn void
cmperr(mrb_state *mrb, mrb_value v1, mrb_value v2)
{
mrb_raisef(mrb, E_ARGUMENT_ERROR, "comparison of %t with %t failed", v1, v2);

Add `mrb_noreturn` to `cmperr()` in `src/numeric.c`