16   constexpr Literal() {}  in Literal()
24   constexpr S(int, N::C) {}  in S()
25 …constexpr S(int, NonLiteral, N::C) {} // expected-error {{constexpr constructor's 2nd parameter ty…  in S()
26 …constexpr S(int, NonLiteral = 42) {} // expected-error {{constexpr constructor's 2nd parameter typ…  in S()
29   constexpr S() = default;
30   constexpr S(Literal) = delete;
37 …constexpr T() {} // expected-error {{constexpr constructor not allowed in struct with virtual base…  in T()
44 …constexpr C() {} // expected-error {{constexpr constructor not allowed in class with virtual base …  in C()
50   constexpr U()  in U()
61   constexpr V() {  in V()
84   constexpr V(int(&)[1]) {  in V()
88   constexpr V(int(&)[2]) {  in V()
89 … constexpr int a = 0; // expected-error {{variables cannot be declared in a constexpr constructor}}  in V()
91   constexpr V(int(&)[3]) {  in V()
92 …constexpr int ForwardDecl(int); // expected-error {{statement not allowed in constexpr constructor…  in V()
94   constexpr V(int(&)[4]) {  in V()
97   constexpr V(int(&)[5]) {  in V()
100   constexpr V(int(&)[6]) {  in V()
103   constexpr V(int(&)[7]) {  in V()
111   constexpr W() {} // expected-error {{constexpr constructor must initialize all members}}  in W()
138   constexpr AnonMembers(int(&)[1]) : a(), b(), g(), h(), i(), j() {} // ok  in AnonMembers()
140 …constexpr AnonMembers(int(&)[2]) : a(), c(), g(), h() {} // expected-error {{constexpr constructor…  in AnonMembers()
141   constexpr AnonMembers(int(&)[3]) : a(), e(), g(), h(), i(), k() {} // ok  in AnonMembers()
143 …constexpr AnonMembers(int(&)[4]) : a(), c(), d(), g(), i() {} // expected-error {{constexpr constr…  in AnonMembers()
145 …constexpr AnonMembers(int(&)[5]) : a(), g(), h(), i(), k() {} // expected-error {{constexpr constr…  in AnonMembers()
147 …constexpr AnonMembers(int(&)[6]) {} // expected-error {{constexpr constructor must initialize all …  in AnonMembers()
151   constexpr Empty() {} // ok  in Empty()
152 } constexpr empty1;
157   constexpr EmptyVariant() {} // ok  in EmptyVariant()
158 } constexpr empty2;
181   constexpr TemplateInit() {} // desired-error {{must initialize all members}}  in TemplateInit()
185   constexpr TemplateInit2() {} // ok  in TemplateInit2()
189   constexpr weak_ptr() : p(0) {}  in weak_ptr()
194   constexpr enable_shared_from_this() {} // ok  in enable_shared_from_this()
196 constexpr int f(enable_shared_from_this<int>);
203   constexpr ConstexprBaseMemberCtors() : Literal(), l() {} // ok  in ConstexprBaseMemberCtors()
204 …constexpr ConstexprBaseMemberCtors(char) : // expected-error {{constexpr constructor never produce…  in ConstexprBaseMemberCtors()
207 …constexpr ConstexprBaseMemberCtors(double) : Literal(), // expected-error {{constexpr constructor …  in ConstexprBaseMemberCtors()
223   constexpr X() {}  in X()
224   constexpr X(int c) : a(c) {} // ok, b initialized by 2 * c + 1  in X()
237   constexpr Z(int a) : n(a) {}  in Z()
238 …constexpr Z() : n(kGlobal) {} // expected-error {{constexpr constructor never produces a constant …  in Z()
245     explicit constexpr Length(int i = 0) : val(i) { }  in Length()