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ba6c71b137
Previously, we didin't build a DeclRefExpr which refers to an invalid declaration. In this patch, we handle this case by building an empty RecoveryExpr, which will preserve more broken code (AST parent nodes that contain the RecoveryExpr is preserved in the AST). Differential Revision: https://reviews.llvm.org/D120812
125 lines
3.0 KiB
C++
125 lines
3.0 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s
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// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++98
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// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11
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#if __cplusplus >= 201103L
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// expected-note@+3 2 {{candidate constructor}}
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// expected-note@+2 {{passing argument to parameter here}}
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#endif
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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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#if __cplusplus >= 201103L
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// expected-note@+2 {{candidate function}}
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#endif
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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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#if __cplusplus >= 201103L
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// expected-error@+2 {{no viable conversion}}
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#endif
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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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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 {{unknown type name 'UndeclaredType'}}
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// expected-error@-1 {{member initializer 'X' does not name a non-static data member or base class}}
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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>;
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extern template class B<char>;
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}
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