60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
|
|
|
|
int n;
|
|
struct S {
|
|
int &a; // expected-note 2{{here}}
|
|
int &b = n;
|
|
|
|
union {
|
|
const int k = 42;
|
|
};
|
|
|
|
S() {} // expected-error {{constructor for 'S' must explicitly initialize the reference member 'a'}}
|
|
S(int) : a(n) {} // ok
|
|
S(char) : b(n) {} // expected-error {{constructor for 'S' must explicitly initialize the reference member 'a'}}
|
|
S(double) : a(n), b(n) {} // ok
|
|
} s(0);
|
|
|
|
union U {
|
|
int a = 0; // expected-note {{previous initialization}}
|
|
char b = 'x'; // expected-error {{initializing multiple members of union}}
|
|
|
|
U() {}
|
|
U(int) : a(1) {}
|
|
U(char) : b('y') {}
|
|
U(double) : a(1), // expected-note{{previous initialization is here}}
|
|
b('y') {} // expected-error{{initializing multiple members of union}}
|
|
};
|
|
|
|
// PR10954: variant members do not acquire an implicit initializer.
|
|
namespace VariantMembers {
|
|
struct NoDefaultCtor {
|
|
NoDefaultCtor(int);
|
|
};
|
|
union V {
|
|
NoDefaultCtor ndc;
|
|
int n;
|
|
|
|
V() {}
|
|
V(int n) : n(n) {}
|
|
V(int n, bool) : ndc(n) {}
|
|
};
|
|
struct K {
|
|
union {
|
|
NoDefaultCtor ndc;
|
|
int n;
|
|
};
|
|
K() {}
|
|
K(int n) : n(n) {}
|
|
K(int n, bool) : ndc(n) {}
|
|
};
|
|
struct Nested {
|
|
Nested() {}
|
|
union {
|
|
struct {
|
|
NoDefaultCtor ndc;
|
|
};
|
|
};
|
|
};
|
|
}
|