forked from OSchip/llvm-project
163 lines
3.2 KiB
C++
163 lines
3.2 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s
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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s
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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
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template<typename T>
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void call_f0(T x) {
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x.Base::f0();
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}
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struct Base {
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void f0();
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};
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struct X0 : Base {
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typedef Base CrazyBase;
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};
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void test_f0(X0 x0) {
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call_f0(x0);
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}
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template<typename TheBase, typename T>
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void call_f0_through_typedef(T x) {
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typedef TheBase Base2;
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x.Base2::f0();
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}
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void test_f0_through_typedef(X0 x0) {
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call_f0_through_typedef<Base>(x0);
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}
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template<typename TheBase, typename T>
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void call_f0_through_typedef2(T x) {
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typedef TheBase CrazyBase;
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#if __cplusplus <= 199711L
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// expected-note@-2 {{lookup from the current scope refers here}}
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#endif
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x.CrazyBase::f0(); // expected-error 2{{no member named}}
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#if __cplusplus <= 199711L
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// expected-error@-2 {{lookup of 'CrazyBase' in member access expression is ambiguous}}
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#endif
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}
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struct OtherBase { };
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struct X1 : Base, OtherBase {
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typedef OtherBase CrazyBase;
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#if __cplusplus <= 199711L
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// expected-note@-2 {{lookup in the object type 'X1' refers here}}
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#endif
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};
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void test_f0_through_typedef2(X0 x0, X1 x1) {
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call_f0_through_typedef2<Base>(x0);
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call_f0_through_typedef2<OtherBase>(x1); // expected-note{{instantiation}}
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call_f0_through_typedef2<Base>(x1); // expected-note{{instantiation}}
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}
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struct X2 {
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operator int() const;
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};
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template<typename T, typename U>
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T convert(const U& value) {
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return value.operator T(); // expected-error{{operator long}}
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}
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void test_convert(X2 x2) {
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convert<int>(x2);
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convert<long>(x2); // expected-note{{instantiation}}
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}
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template<typename T>
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void destruct(T* ptr) {
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ptr->~T();
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ptr->T::~T();
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}
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template<typename T>
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void destruct_intptr(int *ip) {
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ip->~T();
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ip->T::~T();
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}
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void test_destruct(X2 *x2p, int *ip) {
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destruct(x2p);
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destruct(ip);
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destruct_intptr<int>(ip);
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}
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// PR5220
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class X3 {
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protected:
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template <int> float* &f0();
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template <int> const float* &f0() const;
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void f1() {
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(void)static_cast<float*>(f0<0>());
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}
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void f1() const{
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(void)f0<0>();
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}
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};
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// Fun with template instantiation and conversions
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struct X4 {
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int& member();
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float& member() const;
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};
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template<typename T>
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struct X5 {
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void f(T* ptr) { int& ir = ptr->member(); }
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void g(T* ptr) { float& fr = ptr->member(); }
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};
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void test_X5(X5<X4> x5, X5<const X4> x5c, X4 *xp, const X4 *cxp) {
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x5.f(xp);
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x5c.g(cxp);
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}
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// In theory we can do overload resolution at template-definition time on this.
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// We should at least not assert.
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namespace test4 {
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struct Base {
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template <class T> void foo() {}
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};
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template <class T> struct Foo : Base {
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void test() {
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foo<int>();
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}
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};
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}
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namespace test5 {
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template<typename T>
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struct X {
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using T::value;
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T &getValue() {
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return &value;
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}
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};
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}
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// PR8739
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namespace test6 {
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struct A {};
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struct B {};
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template <class T> class Base;
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template <class T> class Derived : public Base<T> {
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A *field;
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void get(B **ptr) {
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// It's okay if at some point we figure out how to diagnose this
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// at instantiation time.
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*ptr = field; // expected-error {{incompatible pointer types assigning to 'test6::B *' from 'test6::A *'}}
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}
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};
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}
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