17   constexpr Literal() {}  in Literal()
25   constexpr S(int, N::C) {}  in S()
26 …constexpr S(int, NonLiteral, N::C) {} // expected-error {{constexpr constructor's 2nd parameter ty…  in S()
27 …constexpr S(int, NonLiteral = 42) {} // expected-error {{constexpr constructor's 2nd parameter typ…  in S()
30   constexpr S() = default;
31   constexpr S(Literal) = delete;
38 …constexpr T() {} // expected-error {{constexpr constructor not allowed in struct with virtual base…  in T()
45 …constexpr C() {} // expected-error {{constexpr constructor not allowed in class with virtual base …  in C()
51   constexpr U()  in U()
62   constexpr V() {  in V()
85   constexpr V(int(&)[1]) {  in V()
92   constexpr V(int(&)[2]) {  in V()
93     constexpr int a = 0;  in V()
98   constexpr V(int(&)[3]) {  in V()
99     constexpr int ForwardDecl(int);  in V()
104   constexpr V(int(&)[4]) {  in V()
110   constexpr V(int(&)[5]) {  in V()
116   constexpr V(int(&)[6]) {  in V()
122   constexpr V(int(&)[7]) {  in V()
133   constexpr W() {} // expected-error {{constexpr constructor must initialize all members}}  in W()
160   constexpr AnonMembers(int(&)[1]) : a(), b(), g(), h(), i(), j() {} // ok  in AnonMembers()
162 …constexpr AnonMembers(int(&)[2]) : a(), c(), g(), h() {} // expected-error {{constexpr constructor…  in AnonMembers()
163   constexpr AnonMembers(int(&)[3]) : a(), e(), g(), h(), i(), k() {} // ok  in AnonMembers()
165 …constexpr AnonMembers(int(&)[4]) : a(), c(), d(), g(), i() {} // expected-error {{constexpr constr…  in AnonMembers()
167 …constexpr AnonMembers(int(&)[5]) : a(), g(), h(), i(), k() {} // expected-error {{constexpr constr…  in AnonMembers()
169 …constexpr AnonMembers(int(&)[6]) {} // expected-error {{constexpr constructor must initialize all …  in AnonMembers()
173   constexpr Empty() {} // ok  in Empty()
174 } constexpr empty1;
179   constexpr EmptyVariant() {} // ok  in EmptyVariant()
180 } constexpr empty2;
203   constexpr TemplateInit() {} // desired-error {{must initialize all members}}  in TemplateInit()
207   constexpr TemplateInit2() {} // ok  in TemplateInit2()
211   constexpr weak_ptr() : p(0) {}  in weak_ptr()
216   constexpr enable_shared_from_this() {} // ok  in enable_shared_from_this()
218 constexpr int f(enable_shared_from_this<int>);
225   constexpr ConstexprBaseMemberCtors() : Literal(), l() {} // ok  in ConstexprBaseMemberCtors()
226 …constexpr ConstexprBaseMemberCtors(char) : // expected-error {{constexpr constructor never produce…  in ConstexprBaseMemberCtors()
229 …constexpr ConstexprBaseMemberCtors(double) : Literal(), // expected-error {{constexpr constructor …  in ConstexprBaseMemberCtors()
245   constexpr X() {}  in X()
246   constexpr X(int c) : a(c) {} // ok, b initialized by 2 * c + 1  in X()
249 union XU1 { int a; constexpr XU1() = default; }; // expected-error{{not constexpr}}
250 union XU2 { int a = 1; constexpr XU2() = default; };
256   constexpr XU3() = default; // expected-error{{not constexpr}}
262   constexpr XU4() = default;
278   constexpr Z(int a) : n(a) {}  in Z()
279 …constexpr Z() : n(kGlobal) {} // expected-error {{constexpr constructor never produces a constant …  in Z()
286     explicit constexpr Length(int i = 0) : val(i) { }  in Length()
295     constexpr A(const A&) {}  in A()
297     constexpr A(int = 0);
302     constexpr B(const B&);
303     constexpr B(B&);
305   constexpr B::B(const B&) = default;
306   constexpr B::B(B&) = default; // expected-error {{not constexpr}}
311     constexpr C(const C&);
312     constexpr C(C&);
314   constexpr C::C(const C&) = default;
315   constexpr C::C(C&) = default; // expected-error {{not constexpr}}
327     constexpr V() : x(0) {}  in V()
333 …constexpr V<int> v; // expected-error {{constant expression}} expected-note {{subobject of type 'i…
335   constexpr int k = V<int>().x; // FIXME: ok?