| // RUN: %clang_cc1 -fsyntax-only -verify %s |
| |
| class Base { // expected-error {{cannot define the implicit default assignment operator for 'Base', because non-static reference member 'ref' can't use default assignment operator}} \ |
| // expected-warning{{class 'Base' does not declare any constructor to initialize its non-modifiable members}} |
| int &ref; // expected-note {{declared at}} \ |
| // expected-note{{reference member 'ref' will never be initialized}} |
| }; |
| |
| class X : Base { // // expected-error {{cannot define the implicit default assignment operator for 'X', because non-static const member 'cint' can't use default assignment operator}} |
| public: |
| X(); |
| const int cint; // expected-note {{declared at}} |
| }; |
| |
| struct Y : X { |
| Y(); |
| Y& operator=(const Y&); |
| Y& operator=(volatile Y&); |
| Y& operator=(const volatile Y&); |
| Y& operator=(Y&); |
| }; |
| |
| class Z : Y {}; |
| |
| Z z1; |
| Z z2; |
| |
| // Test1 |
| void f(X x, const X cx) { |
| x = cx; // expected-note 2 {{synthesized method is first required here}} |
| x = cx; |
| z1 = z2; |
| } |
| |
| // Test2 |
| class T {}; |
| T t1; |
| T t2; |
| |
| void g() { |
| t1 = t2; |
| } |
| |
| // Test3 |
| class V { |
| public: |
| V(); |
| V &operator = (V &b); |
| }; |
| |
| class W : V {}; |
| W w1, w2; |
| |
| void h() { |
| w1 = w2; |
| } |
| |
| // Test4 |
| |
| class B1 { |
| public: |
| B1(); |
| B1 &operator = (B1 b); |
| }; |
| |
| class D1 : B1 {}; |
| D1 d1, d2; |
| |
| void i() { |
| d1 = d2; |
| } |
| |
| // Test5 |
| |
| class E1 { // expected-error{{cannot define the implicit default assignment operator for 'E1', because non-static const member 'a' can't use default assignment operator}} |
| public: |
| const int a; // expected-note{{declared at}} |
| E1() : a(0) {} |
| |
| }; |
| |
| E1 e1, e2; |
| |
| void j() { |
| e1 = e2; // expected-note{{synthesized method is first required here}} |
| } |
| |