[Clang] add DR tests for D128745

llvm · Oct 18, 2022 · 4e2a629 · 4e2a629
1 parent 6dcd15a
commit 4e2a629
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Showing 3 changed files with 37 additions and 5 deletions.
diff --git a/clang/test/CXX/drs/dr13xx.cpp b/clang/test/CXX/drs/dr13xx.cpp
@@ -457,6 +457,17 @@ Incomplete f(Incomplete) = delete; // well-formed
 #endif
 }
 
+namespace dr1395 { // dr1395: 16
+#if __cplusplus >= 201103L
+  template <typename T, typename... U> void f(T, U...);
+  template <typename T> void f(T);
+  void h(int i) {
+    // This is made ambiguous by dr692, but made valid again by dr1395.
+    f(&i);
+  }
+#endif
+}
+
 namespace dr1399 { // dr1399: dup 1388
   template<typename ...T> void f(T..., int, T...) {} // expected-note {{candidate}} expected-error 0-1{{C++11}}
   void g() {

diff --git a/clang/test/CXX/drs/dr14xx.cpp b/clang/test/CXX/drs/dr14xx.cpp
@@ -36,6 +36,27 @@ namespace dr1423 { // dr1423: 11
 #endif
 }
 
+namespace dr1432 { // dr1432: 16
+#if __cplusplus >= 201103L
+  template<typename T> T declval();
+
+  template <class... T>
+  struct common_type;
+
+  template <class T, class U>
+  struct common_type<T, U> {
+   typedef decltype(true ? declval<T>() : declval<U>()) type;
+  };
+
+  template <class T, class U, class... V>
+  struct common_type<T, U, V...> {
+   typedef typename common_type<typename common_type<T, U>::type, V...>::type type;
+  };
+
+  template struct common_type<int, double>;
+#endif
+}
+
 namespace dr1443 { // dr1443: yes
 struct A {
   int i;

diff --git a/clang/test/CXX/drs/dr6xx.cpp b/clang/test/CXX/drs/dr6xx.cpp
@@ -1079,16 +1079,16 @@ namespace dr687 { // dr687 (9 c++20, but the issue is still considered open)
   }
 }
 
-namespace dr692 { // dr692: no
+namespace dr692 { // dr692: 16
   // Also see dr1395.
 
   namespace temp_func_order_example2 {
     template <typename... T> struct A1 {}; // expected-error 0-1{{C++11}}
     template <typename U, typename... T> struct A2 {}; // expected-error 0-1{{C++11}}
-    template <class T1, class... U> void e1(A1<T1, U...>) = delete; // expected-error 0-2{{C++11}}
-    template <class T1> void e1(A1<T1>);
-    template <class T1, class... U> void e2(A2<T1, U...>) = delete; // expected-error 0-2{{C++11}}
-    template <class T1> void e2(A2<T1>);
+    template <typename T1, typename... U> void e1(A1<T1, U...>) = delete; // expected-error 0-2{{C++11}}
+    template <typename T1> void e1(A1<T1>);
+    template <typename T1, typename... U> void e2(A2<T1, U...>) = delete; // expected-error 0-2{{C++11}}
+    template <typename T1> void e2(A2<T1>);
     template <typename T, typename U> void f(U, A1<U, T> *p = 0) = delete; // expected-note {{candidate}} expected-error 0-1{{C++11}}
     template <typename U> int &f(U, A1<U, U> *p = 0); // expected-note {{candidate}}
     template <typename T> void g(T, T = T()); // expected-note {{candidate}}