1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s 3 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s 4 5 class X { 6 public: 7 explicit X(const X&); // expected-note {{candidate constructor}} 8 X(int*); // expected-note 3{{candidate constructor}} 9 explicit X(float*); // expected-note {{candidate constructor}} 10 }; 11 12 class Y : public X { }; 13 14 void f(Y y, int *ip, float *fp) { 15 X x1 = y; // expected-error{{no matching constructor for initialization of 'X'}} 16 X x2 = 0; 17 X x3 = ip; 18 X x4 = fp; // expected-error{{no viable conversion}} 19 X x2a(0); // expected-error{{call to constructor of 'X' is ambiguous}} 20 X x3a(ip); 21 X x4a(fp); 22 } 23 24 struct foo { 25 void bar(); // expected-note{{declared here}} 26 }; 27 28 // PR3600 29 void test(const foo *P) { P->bar(); } // expected-error{{'bar' not viable: 'this' argument has type 'const foo', but function is not marked const}} 30 31 namespace PR6757 { 32 struct Foo { 33 Foo(); 34 Foo(Foo&); // expected-note{{candidate constructor not viable}} 35 }; 36 37 struct Bar { 38 operator const Foo&() const; 39 }; 40 41 void f(Foo); 42 43 void g(Foo foo) { 44 f(Bar()); // expected-error{{no viable constructor copying parameter of type 'const PR6757::Foo'}} 45 f(foo); 46 } 47 } 48 49 namespace DR5 { 50 // Core issue 5: if a temporary is created in copy-initialization, it is of 51 // the cv-unqualified version of the destination type. 52 namespace Ex1 { 53 struct C { }; 54 C c; 55 struct A { 56 A(const A&); 57 A(const C&); 58 }; 59 const volatile A a = c; // ok 60 } 61 62 namespace Ex2 { 63 struct S { 64 S(S&&); 65 #if __cplusplus <= 199711L // C++03 or earlier modes 66 // expected-warning@-2 {{rvalue references are a C++11 extension}} 67 #endif 68 S(int); 69 }; 70 const S a(0); 71 const S b = 0; 72 } 73 } 74