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1 // RUN: %clang_cc1 -fsyntax-only -verify %s -Wnon-pod-varargs
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2 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s -Wnon-pod-varargs
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3 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s -Wnon-pod-varargs
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4
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5 class X { }; // expected-note {{the implicit copy constructor}}
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6 // expected-note@-1 {{the implicit default constructor}}
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7 #if __cplusplus >= 201103L // C++11 or later
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8 // expected-note@-3 {{candidate constructor (the implicit move constructor) not viable}}
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9 #endif
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10
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11 int& copycon(X x); // expected-note{{passing argument to parameter}}
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12 float& copycon(...);
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13
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14 void test_copycon(X x, X const xc, X volatile xv) {
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15 int& i1 = copycon(x);
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16 int& i2 = copycon(xc);
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17 copycon(xv); // expected-error{{no matching constructor}}
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18 }
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19
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20 class A {
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21 public:
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22 A(A&); // expected-note{{would lose const qualifier}} \
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23 // expected-note{{no known conversion}}
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24 };
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25
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26 class B : public A { }; // expected-note{{would lose const qualifier}} \
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27 // expected-note{{would lose volatile qualifier}} \
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28 // expected-note 2{{requires 0 arguments}}
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29
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30 short& copycon2(A a); // expected-note{{passing argument to parameter}}
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31 int& copycon2(B b); // expected-note 2{{passing argument to parameter}}
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32 float& copycon2(...);
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33
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34 void test_copycon2(A a, const A ac, B b, B const bc, B volatile bv) {
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35 int& i1 = copycon2(b);
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36 copycon2(bc); // expected-error{{no matching constructor}}
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37 copycon2(bv); // expected-error{{no matching constructor}}
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38 short& s1 = copycon2(a);
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39 copycon2(ac); // expected-error{{no matching constructor}}
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40 }
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41
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42 int& copycon3(A a); // expected-note{{passing argument to parameter 'a' here}}
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43 float& copycon3(...);
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44
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45 void test_copycon3(B b, const B bc) {
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46 int& i1 = copycon3(b);
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47 copycon3(bc); // expected-error{{no matching constructor}}
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48 }
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49
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50 class C : public B { };
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51
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52 float& copycon4(A a);
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53 int& copycon4(B b);
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54
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55 void test_copycon4(C c) {
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56 int& i = copycon4(c);
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57 };
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