27 lines
857 B
C++
27 lines
857 B
C++
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
|
|
|
|
template<typename T, typename U>
|
|
struct is_same {
|
|
static const bool value = false;
|
|
};
|
|
|
|
template<typename T>
|
|
struct is_same<T, T> {
|
|
static const bool value = true;
|
|
};
|
|
#define JOIN2(X,Y) X##Y
|
|
#define JOIN(X,Y) JOIN2(X,Y)
|
|
#define CHECK_EQUAL_TYPES(T1, T2) \
|
|
int JOIN(array,__LINE__)[is_same<T1, T2>::value? 1 : -1]
|
|
|
|
int i;
|
|
typedef int& LRI;
|
|
typedef int&& RRI;
|
|
|
|
typedef LRI& r1; CHECK_EQUAL_TYPES(r1, int&);
|
|
typedef const LRI& r2; CHECK_EQUAL_TYPES(r2, int&); // expected-warning {{'const' qualifier on reference type 'LRI' (aka 'int &') has no effect}}
|
|
typedef const LRI&& r3; CHECK_EQUAL_TYPES(r3, int&); // expected-warning {{'const' qualifier on reference type 'LRI' (aka 'int &') has no effect}}
|
|
|
|
typedef RRI& r4; CHECK_EQUAL_TYPES(r4, int&);
|
|
typedef RRI&& r5; CHECK_EQUAL_TYPES(r5, int&&);
|