1 // RUN: %clang_cc1 -std=c++14 -fsyntax-only -verify %s 2 3 struct A { 4 operator __auto_type() {} // expected-error {{'__auto_type' not allowed in conversion function type}} 5 }; 6 7 __auto_type a() -> int; // expected-error {{'__auto_type' not allowed in function return type}} 8 template <typename T> 9 __auto_type b() { return T::x; } // expected-error {{'__auto_type' not allowed in function return type}} 10 auto c() -> __auto_type { __builtin_unreachable(); } // expected-error {{'__auto_type' not allowed in function return type}} 11 int d() { 12 decltype(__auto_type) e = 1; // expected-error {{expected expression}} 13 auto _ = [](__auto_type f) {}; // expected-error {{'__auto_type' not allowed in lambda parameter}} 14 __auto_type g = 2; 15 struct BitField { int field:2; }; 16 __auto_type h = BitField{1}.field; // (should work from C++) 17 new __auto_type; // expected-error {{'__auto_type' not allowed in type allocated by 'new'}} 18 } 19 20
