forked from OSchip/llvm-project
112 lines
2.7 KiB
C++
112 lines
2.7 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s
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struct A {
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};
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struct ConvertibleToA {
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operator A();
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};
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struct ConvertibleToConstA {
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operator const A();
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};
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struct B {
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B& operator=(B&); // expected-note 4 {{candidate function}}
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};
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struct ConvertibleToB {
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operator B();
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};
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struct ConvertibleToBref {
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operator B&();
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};
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struct ConvertibleToConstB {
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operator const B();
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};
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struct ConvertibleToConstBref {
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operator const B&();
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};
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struct C {
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int operator=(int); // expected-note{{candidate function}}
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long operator=(long); // expected-note{{candidate function}}
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int operator+=(int); // expected-note{{candidate function}}
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int operator+=(long); // expected-note{{candidate function}}
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};
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struct D {
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D& operator+=(const D &);
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};
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struct ConvertibleToInt {
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operator int();
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};
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void test() {
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A a, na;
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const A constA = A();
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ConvertibleToA convertibleToA;
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ConvertibleToConstA convertibleToConstA;
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B b, nb;
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const B constB = B();
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ConvertibleToB convertibleToB;
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ConvertibleToBref convertibleToBref;
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ConvertibleToConstB convertibleToConstB;
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ConvertibleToConstBref convertibleToConstBref;
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C c, nc;
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const C constC = C();
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D d, nd;
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const D constD = D();
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ConvertibleToInt convertibleToInt;
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na = a;
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na = constA;
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na = convertibleToA;
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na = convertibleToConstA;
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na += a; // expected-error{{no viable overloaded '+='}}
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nb = b;
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nb = constB; // expected-error{{no viable overloaded '='}}
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nb = convertibleToB; // expected-error{{no viable overloaded '='}}
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nb = convertibleToBref;
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nb = convertibleToConstB; // expected-error{{no viable overloaded '='}}
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nb = convertibleToConstBref; // expected-error{{no viable overloaded '='}}
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nc = c;
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nc = constC;
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nc = 1;
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nc = 1L;
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nc = 1.0; // expected-error{{use of overloaded operator '=' is ambiguous}}
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nc += 1;
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nc += 1L;
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nc += 1.0; // expected-error{{use of overloaded operator '+=' is ambiguous}}
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nd = d;
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nd += d;
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nd += constD;
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int i;
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i = convertibleToInt;
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i = a; // expected-error{{assigning to 'int' from incompatible type 'A'}}
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}
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// <rdar://problem/8315440>: Don't crash
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// FIXME: the recovery here is really bad.
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namespace test1 {
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template<typename T> class A : public unknown::X { // expected-error {{undeclared identifier 'unknown'}} expected-error {{expected class name}}
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A(UndeclaredType n) : X(n) {} // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{undeclared identifier 'n'}} expected-error {{expected ';' at end}} expected-error {{field has incomplete type}}
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};
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template<typename T> class B : public A<T> {
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virtual void foo() {}
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};
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extern template class A<char>; // expected-note {{in instantiation}} expected-note {{not complete}}
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extern template class B<char>;
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}
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