1 // RUN: %clang_cc1 -fsyntax-only -verify %s -Wnon-pod-varargs 2 class X { }; // expected-note {{the implicit copy constructor}} \ 3 // expected-note{{the implicit default constructor}} 4 5 int& copycon(X x); // expected-note{{passing argument to parameter}} 6 float& copycon(...); 7 8 void test_copycon(X x, X const xc, X volatile xv) { 9 int& i1 = copycon(x); 10 int& i2 = copycon(xc); 11 copycon(xv); // expected-error{{no matching constructor}} 12 } 13 14 class A { 15 public: 16 A(A&); // expected-note{{would lose const qualifier}} \ 17 // expected-note{{no known conversion}} 18 }; 19 20 class B : public A { }; // expected-note{{would lose const qualifier}} \ 21 // expected-note{{would lose volatile qualifier}} \ 22 // expected-note 2{{requires 0 arguments}} 23 24 short& copycon2(A a); // expected-note{{passing argument to parameter}} 25 int& copycon2(B b); // expected-note 2{{passing argument to parameter}} 26 float& copycon2(...); 27 28 void test_copycon2(A a, const A ac, B b, B const bc, B volatile bv) { 29 int& i1 = copycon2(b); 30 copycon2(bc); // expected-error{{no matching constructor}} 31 copycon2(bv); // expected-error{{no matching constructor}} 32 short& s1 = copycon2(a); 33 copycon2(ac); // expected-error{{no matching constructor}} 34 } 35 36 int& copycon3(A a); // expected-note{{passing argument to parameter 'a' here}} 37 float& copycon3(...); 38 39 void test_copycon3(B b, const B bc) { 40 int& i1 = copycon3(b); 41 copycon3(bc); // expected-error{{no matching constructor}} 42 } 43 44 class C : public B { }; 45 46 float& copycon4(A a); 47 int& copycon4(B b); 48 49 void test_copycon4(C c) { 50 int& i = copycon4(c); 51 }; 52
