clang-1/test/SemaCXX/decltype.cpp

46 строки
1.1 KiB
C++

// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
// PR5290
int const f0();
void f0_test() {
decltype(0, f0()) i = 0;
i = 0;
}
struct A { int a[1]; A() { } };
typedef A const AC;
int &f1(int*);
float &f2(int const*);
void test_f2() {
float &fr = f2(AC().a);
}
namespace pr10154 {
class A{
A(decltype(nullptr) param);
};
}
template<typename T> struct S {};
template<typename T> auto f(T t) -> decltype(S<int>(t)) {
using U = decltype(S<int>(t));
using U = S<int>;
return S<int>(t);
}
struct B {
B(decltype(undeclared)); // expected-error {{undeclared identifier}}
};
struct C {
C(decltype(undeclared; // expected-error {{undeclared identifier}} \
// expected-error {{expected ')'}} expected-note {{to match this '('}}
};
template<typename>
class conditional {
};
void foo(conditional<decltype((1),int>) { // expected-note 2 {{to match this '('}} expected-error {{expected ')'}}
} // expected-error {{expected function body after function declarator}} expected-error 2 {{expected '>'}} expected-error {{expected ')'}}