15 struct Literal {  struct
16   constexpr Literal() {}  in Literal()  argument
17   explicit Literal(int); // expected-note 2 {{here}}
30   constexpr S(Literal) = delete;  argument
172     Literal l;
173     Literal m;
174     Literal n[3];
184   Literal l;
200 struct ConstexprBaseMemberCtors : Literal {
201   Literal l;
203   constexpr ConstexprBaseMemberCtors() : Literal(), l() {} // ok  in ConstexprBaseMemberCtors()
205     Literal(0), // expected-note {{non-constexpr constructor}}  in ConstexprBaseMemberCtors()
207 …constexpr ConstexprBaseMemberCtors(double) : Literal(), // expected-error {{constexpr constructor …  in ConstexprBaseMemberCtors()