1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s 2 3 // PR5290 4 int const f0(); 5 void f0_test() { 6 decltype(0, f0()) i = 0; 7 i = 0; 8 } 9 10 struct A { int a[1]; A() { } }; 11 typedef A const AC; 12 int &f1(int*); 13 float &f2(int const*); 14 15 void test_f2() { 16 float &fr = f2(AC().a); 17 } 18 19 namespace pr10154 { 20 class A{ 21 A(decltype(nullptr) param); 22 }; 23 } 24 25 template<typename T> struct S {}; 26 template<typename T> auto f(T t) -> decltype(S<int>(t)) { 27 using U = decltype(S<int>(t)); 28 using U = S<int>; 29 return S<int>(t); 30 } 31 32 struct B { 33 B(decltype(undeclared)); // expected-error {{undeclared identifier}} 34 }; 35 struct C { 36 C(decltype(undeclared; // expected-error {{undeclared identifier}} \ 37 // expected-error {{expected ')'}} expected-note {{to match this '('}} 38 }; 39 40 template<typename> 41 class conditional { 42 }; 43 44 void foo(conditional<decltype((1),int>) { // expected-note 2 {{to match this '('}} expected-error {{expected ')'}} 45 } // expected-error {{expected function body after function declarator}} expected-error 2 {{expected '>'}} expected-error {{expected ')'}} 46
