1 // RUN: %clang_cc1 %s -fsyntax-only -verify -pedantic -std=c11 2 3 __auto_type a = 5; // expected-warning {{'__auto_type' is a GNU extension}} 4 __extension__ __auto_type a1 = 5; 5 #pragma clang diagnostic ignored "-Wgnu-auto-type" 6 __auto_type b = 5.0; 7 __auto_type c = &b; 8 __auto_type d = (struct {int a;}) {5}; 9 _Static_assert(__builtin_types_compatible_p(__typeof(a), int), ""); 10 __auto_type e = e; // expected-error {{variable 'e' declared with '__auto_type' type cannot appear in its own initializer}} 11 12 struct s { __auto_type a; }; // expected-error {{'__auto_type' not allowed in struct member}} 13 14 __auto_type f = 1, g = 1.0; // expected-error {{'__auto_type' deduced as 'int' in declaration of 'f' and deduced as 'double' in declaration of 'g'}} 15 16 __auto_type h() {} // expected-error {{'__auto_type' not allowed in function return type}} 17 18 int i() { 19 struct bitfield { int field:2; }; 20 __auto_type j = (struct bitfield){1}.field; // expected-error {{cannot pass bit-field as __auto_type initializer in C}} 21 22 } 23 24 int k(l) 25 __auto_type l; // expected-error {{'__auto_type' not allowed in K&R-style function parameter}} 26 {} 27