1 // RUN: %clang_cc1 -std=c11 %s -fsyntax-only -verify -pedantic 2 // RUN: %clang_cc1 -std=c99 %s -fsyntax-only -verify=expected,ext -pedantic -Wno-typedef-redefinition 3 4 typedef _Atomic(int) atomic_int; // ext-warning {{'_Atomic' is a C11 extension}} 5 typedef _Atomic int atomic_int; // ext-warning {{'_Atomic' is a C11 extension}} 6 typedef _Atomic _Atomic _Atomic(int) atomic_int; // expected-warning {{duplicate '_Atomic' declaration specifier}} \ 7 // ext-warning 3 {{'_Atomic' is a C11 extension}} 8 9 typedef const int const_int; 10 11 typedef const atomic_int const_atomic_int; 12 typedef _Atomic const int const_atomic_int; // ext-warning {{'_Atomic' is a C11 extension}} 13 typedef const _Atomic int const_atomic_int; // ext-warning {{'_Atomic' is a C11 extension}} 14 typedef const _Atomic(int) const_atomic_int; // ext-warning {{'_Atomic' is a C11 extension}} 15 typedef const _Atomic(_Atomic int) const_atomic_int; // expected-error {{_Atomic cannot be applied to atomic type '_Atomic(int)'}} \ 16 // ext-warning 2 {{'_Atomic' is a C11 extension}} 17 typedef _Atomic const_int const_atomic_int; // ext-warning {{'_Atomic' is a C11 extension}} 18 typedef _Atomic(const_int) const_atomic_int; // expected-error {{_Atomic cannot be applied to qualified type 'const_int' (aka 'const int')}} \ 19 // ext-warning {{'_Atomic' is a C11 extension}} 20 21 typedef int *_Atomic atomic_int_ptr; // ext-warning {{'_Atomic' is a C11 extension}} 22 typedef _Atomic(int *) atomic_int_ptr; // ext-warning {{'_Atomic' is a C11 extension}} 23 typedef int (*_Atomic atomic_int_ptr); // ext-warning {{'_Atomic' is a C11 extension}} 24 25 typedef int _Atomic *int_atomic_ptr; // ext-warning {{'_Atomic' is a C11 extension}} 26 typedef _Atomic(int) *int_atomic_ptr; // ext-warning {{'_Atomic' is a C11 extension}} 27 28 typedef int int_fn(); 29 typedef _Atomic int_fn atomic_int_fn; // expected-error {{_Atomic cannot be applied to function type 'int_fn' (aka 'int ()')}} \ 30 // ext-warning {{'_Atomic' is a C11 extension}} 31 typedef _Atomic int atomic_int_array[3]; // ext-warning {{'_Atomic' is a C11 extension}} 32 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]')}} \ 33 // ext-warning {{'_Atomic' is a C11 extension}} 34 35 _Atomic struct S { int n; }; // expected-warning {{'_Atomic' ignored on this declaration}} \ 36 // ext-warning {{'_Atomic' is a C11 extension}} 37 38 typedef _Atomic int __attribute__((address_space(1))) atomic_addr_space_int; // ext-warning {{'_Atomic' is a C11 extension}} 39 typedef _Atomic(int) __attribute__((address_space(1))) atomic_addr_space_int; // ext-warning {{'_Atomic' is a C11 extension}} 40 41 typedef _Atomic int __attribute__((vector_size(16))) atomic_vector_int; // ext-warning {{'_Atomic' is a C11 extension}} 42 typedef _Atomic(int __attribute__((vector_size(16)))) atomic_vector_int; // ext-warning {{'_Atomic' is a C11 extension}} 43 44 struct S 45 _Atomic atomic_s_no_missing_semicolon; // ext-warning {{'_Atomic' is a C11 extension}} 46 47 int *const _Atomic atomic_return_type(); // ext-warning {{'_Atomic' is a C11 extension}} 48