1// RUN: %clang_cc1 -std=c11 %s -fsyntax-only -verify -pedantic
2
3typedef _Atomic(int) atomic_int;
4typedef _Atomic int atomic_int;
5typedef _Atomic _Atomic _Atomic(int) atomic_int; // expected-warning {{duplicate '_Atomic' declaration specifier}}
6
7typedef const int const_int;
8
9typedef const atomic_int const_atomic_int;
10typedef _Atomic const int const_atomic_int;
11typedef const _Atomic int const_atomic_int;
12typedef const _Atomic(int) const_atomic_int;
13typedef const _Atomic(_Atomic int) const_atomic_int; // expected-error {{_Atomic cannot be applied to atomic type '_Atomic(int)'}}
14typedef _Atomic const_int const_atomic_int;
15typedef _Atomic(const_int) const_atomic_int; // expected-error {{_Atomic cannot be applied to qualified type 'const_int' (aka 'const int')}}
16
17typedef int *_Atomic atomic_int_ptr;
18typedef _Atomic(int *) atomic_int_ptr;
19typedef int (*_Atomic atomic_int_ptr);
20
21typedef int _Atomic *int_atomic_ptr;
22typedef _Atomic(int) *int_atomic_ptr;
23
24typedef int int_fn();
25typedef _Atomic int_fn atomic_int_fn; // expected-error {{_Atomic cannot be applied to function type 'int_fn' (aka 'int ()')}}
26typedef _Atomic int atomic_int_array[3];
27typedef _Atomic atomic_int_array atomic_int_atomic_array; // expected-error {{_Atomic cannot be applied to array type 'atomic_int_array' (aka '_Atomic(int) [3]')}}
28
29_Atomic struct S { int n; }; // expected-warning {{'_Atomic' ignored on this declaration}}
30
31typedef _Atomic int __attribute__((address_space(1))) atomic_addr_space_int;
32typedef _Atomic(int) __attribute__((address_space(1))) atomic_addr_space_int;
33
34typedef _Atomic int __attribute__((vector_size(16))) atomic_vector_int;
35typedef _Atomic(int __attribute__((vector_size(16)))) atomic_vector_int;
36