test(x, y, y, x);
test(y, x, y, x);
}
+#if _LIBCPP_STD_VER > 11
+ {
+// Note that you can't take a reference to a local var, since
+// it's address is not a compile-time constant.
+ constexpr static int x = 1;
+ constexpr static int y = 0;
+ constexpr auto p1 = std::minmax (x, y);
+ static_assert(p1.first == y, "");
+ static_assert(p1.second == x, "");
+ constexpr auto p2 = std::minmax (y, x);
+ static_assert(p2.first == y, "");
+ static_assert(p2.second == x, "");
+ }
+#endif
}