cxx_dr_status: update to latest issue list and add a couple more tests.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@289255 91177308-0d34-0410-b5e6-96231b3b80d8

test/CXX/drs/dr15xx.cpp

@@ -179,6 +179,45 @@ struct InheritsCtor : BaseCtor { // expected-note 1+ {{candidate}}
 };
 InheritsCtor II = {{}, 42}; // expected-error {{no matching constructor}}
 
+namespace std_example {
+  struct A {
+    explicit A() = default; // expected-note 2{{declared here}}
+  };
+
+  struct B : A {
+    explicit B() = default; // expected-note 2{{declared here}}
+  };
+
+  struct C {
+    explicit C(); // expected-note 2{{declared here}}
+  };
+
+  struct D : A {
+    C c;
+    explicit D() = default; // expected-note 2{{declared here}}
+  };
+
+  template <typename T> void f() {
+    T t; // ok
+    T u{}; // ok
+    T v = {}; // expected-error 4{{explicit}}
+  }
+  template <typename T> void g() {
+    void x(T t); // expected-note 4{{parameter}}
+    x({}); // expected-error 4{{explicit}}
+  }
+
+  void test() {
+    f<A>(); // expected-note {{instantiation of}}
+    f<B>(); // expected-note {{instantiation of}}
+    f<C>(); // expected-note {{instantiation of}}
+    f<D>(); // expected-note {{instantiation of}}
+    g<A>(); // expected-note {{instantiation of}}
+    g<B>(); // expected-note {{instantiation of}}
+    g<C>(); // expected-note {{instantiation of}}
+    g<D>(); // expected-note {{instantiation of}}
+  }
+}
 #endif                      // __cplusplus >= 201103L
 }
 

test/CXX/drs/dr16xx.cpp

@@ -3,10 +3,6 @@
 // RUN: %clang_cc1 -std=c++14 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 // RUN: %clang_cc1 -std=c++1z -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 
-#if __cplusplus < 201103L
-// expected-no-diagnostics
-#endif
-
 namespace dr1684 { // dr1684: 3.6
 #if __cplusplus >= 201103L
   struct NonLiteral { // expected-note {{because}}
@@ -44,6 +40,35 @@ namespace dr1631 {  // dr1631: 3.7
 #endif
 }
 
+namespace dr1638 { // dr1638: yes
+#if __cplusplus >= 201103L
+  template<typename T> struct A {
+    enum class E; // expected-note {{previous}}
+    enum class F : T; // expected-note 2{{previous}}
+  };
+
+  template<> enum class A<int>::E;
+  template<> enum class A<int>::E {};
+  template<> enum class A<int>::F : int;
+  template<> enum class A<int>::F : int {};
+
+  template<> enum class A<short>::E : int;
+  template<> enum class A<short>::E : int {};
+
+  template<> enum class A<short>::F; // expected-error {{different underlying type}}
+  template<> enum class A<char>::E : char; // expected-error {{different underlying type}}
+  template<> enum class A<char>::F : int; // expected-error {{different underlying type}}
+
+  enum class A<unsigned>::E; // expected-error {{template specialization requires 'template<>'}} expected-error {{nested name specifier}}
+  template enum class A<unsigned>::E; // expected-error {{enumerations cannot be explicitly instantiated}}
+  enum class A<unsigned>::E *e; // expected-error {{must use 'enum' not 'enum class'}}
+
+  struct B {
+    friend enum class A<unsigned>::E; // expected-error {{must use 'enum' not 'enum class'}}
+  };
+#endif
+}
+
 namespace dr1645 { // dr1645: 3.9
 #if __cplusplus >= 201103L
   struct A { // expected-note 2{{candidate}}
@@ -60,3 +85,19 @@ namespace dr1645 { // dr1645: 3.9
   constexpr B b(0, 0); // expected-error {{ambiguous}}
 #endif
 }
+
+namespace dr1653 { // dr1653: 4.0 c++17
+  void f(bool b) {
+    ++b;
+    b++;
+#if __cplusplus <= 201402L
+    // expected-warning@-3 {{deprecated}} expected-warning@-2 {{deprecated}}
+#else
+    // expected-error@-5 {{incrementing expression of type bool}} expected-error@-4 {{incrementing expression of type bool}}
+#endif
+    --b; // expected-error {{cannot decrement expression of type bool}}
+    b--; // expected-error {{cannot decrement expression of type bool}}
+    b += 1; // ok
+    b -= 1; // ok
+  }
+}