1 // RUN: %clang_cc1 -std=c11 %s -fsyntax-only -verify -pedantic 2 3 typedef _Atomic(int) atomic_int; 4 typedef _Atomic int atomic_int; 5 typedef _Atomic _Atomic _Atomic(int) atomic_int; // expected-warning {{duplicate '_Atomic' declaration specifier}} 6 7 typedef const int const_int; 8 9 typedef const atomic_int const_atomic_int; 10 typedef _Atomic const int const_atomic_int; 11 typedef const _Atomic int const_atomic_int; 12 typedef const _Atomic(int) const_atomic_int; 13 typedef const _Atomic(_Atomic int) const_atomic_int; // expected-error {{_Atomic cannot be applied to atomic type '_Atomic(int)'}} 14 typedef _Atomic const_int const_atomic_int; 15 typedef _Atomic(const_int) const_atomic_int; // expected-error {{_Atomic cannot be applied to qualified type 'const_int' (aka 'const int')}} 16 17 typedef int *_Atomic atomic_int_ptr; 18 typedef _Atomic(int *) atomic_int_ptr; 19 typedef int (*_Atomic atomic_int_ptr); 20 21 typedef int _Atomic *int_atomic_ptr; 22 typedef _Atomic(int) *int_atomic_ptr; 23 24 typedef int int_fn(); 25 typedef _Atomic int_fn atomic_int_fn; // expected-error {{_Atomic cannot be applied to function type 'int_fn' (aka 'int ()')}} 26 typedef _Atomic int atomic_int_array[3]; 27 typedef _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 31 typedef _Atomic int __attribute__((address_space(1))) atomic_addr_space_int; 32 typedef _Atomic(int) __attribute__((address_space(1))) atomic_addr_space_int; 33 34 typedef _Atomic int __attribute__((vector_size(16))) atomic_vector_int; 35 typedef _Atomic(int __attribute__((vector_size(16)))) atomic_vector_int; 36 37 struct S 38 _Atomic atomic_s_no_missing_semicolon; 39 40 int *const _Atomic atomic_return_type(); 41