29 lines
1.1 KiB
C++
29 lines
1.1 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s
|
|
|
|
// FIXME: Very incomplete!
|
|
|
|
// If a program calls for the default initialization of an object of a
|
|
// const-qualified type T, T shall be a class type with a
|
|
// user-provided default constructor, except if T has no uninitialized fields.
|
|
struct MakeNonPOD { MakeNonPOD(); };
|
|
struct NoUserDefault : public MakeNonPOD { int field; };
|
|
struct HasUserDefault { HasUserDefault(); };
|
|
|
|
void test_const_default_init() {
|
|
const NoUserDefault x1; // expected-error{{default initialization of an object of const type 'const NoUserDefault' without a user-provided default constructor}}
|
|
const HasUserDefault x2;
|
|
const int x3; // expected-error{{default initialization of an object of const type 'const int'}}
|
|
}
|
|
|
|
// rdar://8501008
|
|
struct s0 { int field; };
|
|
struct s1 { static const s0 foo; };
|
|
const struct s0 s1::foo; // expected-error{{default initialization of an object of const type 'const struct s0' without a user-provided default constructor}}
|
|
|
|
template<typename T>
|
|
struct s2 {
|
|
static const s0 foo;
|
|
};
|
|
|
|
template<> const struct s0 s2<int>::foo; // okay
|