c++: Add test for fixed PR [PR102338]

This was fixed by r12-6025 and is sufficiently different from
noexcept71.C that I think we should add it.

	PR c++/102338

gcc/testsuite/ChangeLog:

	* g++.dg/cpp1y/noexcept2.C: New test.
diff --git a/gcc/testsuite/g++.dg/cpp1y/noexcept2.C b/gcc/testsuite/g++.dg/cpp1y/noexcept2.C
new file mode 100644
index 0000000..38dd05c
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1y/noexcept2.C
@@ -0,0 +1,20 @@
+// PR c++/102338
+// { dg-do compile { target c++14 } }
+
+struct S {
+    template<typename T>
+    static auto f(T&& t) noexcept {
+        return true;
+    }
+
+    template<typename T, typename... Ts>
+    static auto f(T&& t, Ts&& ... ts) noexcept(noexcept(f(ts...))) {
+        return f(ts...);
+    }
+
+};
+
+int main() {
+    S::f(true, 0, 5u);
+    return 0;
+}