1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 // FIXME: Very incomplete! 4 5 // If a program calls for the default initialization of an object of a 6 // const-qualified type T, T shall be a class type with a 7 // user-provided default constructor. 8 struct MakeNonPOD { MakeNonPOD(); }; 9 struct NoUserDefault : public MakeNonPOD { }; 10 struct HasUserDefault { HasUserDefault(); }; 11 12 void test_const_default_init() { 13 const NoUserDefault x1; // expected-error{{default initialization of an object of const type 'const NoUserDefault' requires a user-provided default constructor}} 14 const HasUserDefault x2; 15 const int x3; // expected-error{{default initialization of an object of const type 'const int'}} 16 } 17 18 // rdar://8501008 19 struct s0 {}; 20 struct s1 { static const s0 foo; }; 21 const struct s0 s1::foo; // expected-error{{default initialization of an object of const type 'const struct s0' requires a user-provided default constructor}} 22 23 template<typename T> 24 struct s2 { 25 static const s0 foo; 26 }; 27 28 template<> const struct s0 s2<int>::foo; // okay 29
