llvm-project/clang/test/SemaTemplate/instantiate-member-expr.cpp

69 lines
1.6 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s
template<typename T>
struct S {
S() { }
};
template<typename T>
struct vector {
void push_back(const T&) { int a[sizeof(T) ? -1: -1]; } // expected-error {{array with a negative size}}
};
class ExprEngine {
public:
typedef vector<S<void *> >CheckersOrdered;
CheckersOrdered Checkers;
template <typename CHECKER>
void registerCheck(CHECKER *check) {
Checkers.push_back(S<void *>()); // expected-note {{in instantiation of member function 'vector<S<void *> >::push_back' requested here}}
}
};
class RetainReleaseChecker { };
void f(ExprEngine& Eng) {
Eng.registerCheck(new RetainReleaseChecker); // expected-note {{in instantiation of function template specialization 'ExprEngine::registerCheck<RetainReleaseChecker>' requested here}}
}
// PR 5838
namespace test1 {
template<typename T> struct A {
int a;
};
template<typename T> struct B : A<float>, A<T> {
void f() {
a = 0; // should not be ambiguous
}
};
template struct B<int>;
struct O {
int a;
template<typename T> struct B : A<T> {
void f() {
a = 0; // expected-error {{'test1::O::a' is not a member of class 'test1::O::B<int>'}}
}
};
};
template struct O::B<int>; // expected-note {{in instantiation}}
}
// PR7248
namespace test2 {
template <class T> struct A {
void foo() {
T::bar(); // expected-error {{type 'int' cannot}}
}
};
template <class T> class B {
void foo(A<T> a) {
a.test2::template A<T>::foo(); // expected-note {{in instantiation}}
}
};
template class B<int>;
}