49 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -verify %s2 3template <class A> int x(A x) { return x++; }4int y() { return x<int>(1); }5 6namespace PR5880 {7 template<typename T>8 struct A { 9 static const int a = __builtin_offsetof(T, a.array[5].m); // expected-error{{no member named 'a' in 'HasM'}}10 };11 struct HasM {12 float m;13 };14 15 struct ArrayOfHasM {16 HasM array[10];17 };18 19 struct B { ArrayOfHasM a; };20 A<B> x;21 A<HasM> x2; // expected-note{{in instantiation of}}22 23 template<typename T>24 struct AnonymousUnion {25 union {26 int i;27 float f;28 };29 };30 31 template<typename T>32 void test_anon_union() {33 int array1[__builtin_offsetof(AnonymousUnion<T>, f) == 0? 1 : -1];34 int array2[__builtin_offsetof(AnonymousUnion<int>, f) == 0? 1 : -1];35 }36 37 template void test_anon_union<int>();38}39 40namespace AddrOfClassMember {41 template <typename T> struct S {42 int n;43 static void f() {44 +T::n; // expected-error {{invalid use of member}}45 }46 };47 void g() { S<S<int> >::f(); } // expected-note {{in instantiation of}}48}49