// RUN: %clang_cc1 -std=c11 %s -fsyntax-only -verify -pedantic
// RUN: %clang_cc1 -std=c99 %s -fsyntax-only -verify=expected,ext -pedantic -Wno-typedef-redefinition
typedef atomic_int; // ext-warning {{'_Atomic' is a C11 extension}}
typedef _Atomic int atomic_int; // ext-warning {{'_Atomic' is a C11 extension}}
typedef _Atomic _Atomic atomic_int; // expected-warning {{duplicate '_Atomic' declaration specifier}} \
// ext-warning 3 {{'_Atomic' is a C11 extension}}
typedef const int const_int;
typedef const atomic_int const_atomic_int;
typedef _Atomic const int const_atomic_int; // ext-warning {{'_Atomic' is a C11 extension}}
typedef const _Atomic int const_atomic_int; // ext-warning {{'_Atomic' is a C11 extension}}
typedef const const_atomic_int; // ext-warning {{'_Atomic' is a C11 extension}}
typedef const const_atomic_int; // expected-error {{_Atomic cannot be applied to atomic type '_Atomic(int)'}} \
// ext-warning 2 {{'_Atomic' is a C11 extension}}
typedef _Atomic const_int const_atomic_int; // ext-warning {{'_Atomic' is a C11 extension}}
typedef const_atomic_int; // expected-error {{_Atomic cannot be applied to qualified type 'const_int' (aka 'const int')}} \
// ext-warning {{'_Atomic' is a C11 extension}}
typedef int *_Atomic atomic_int_ptr; // ext-warning {{'_Atomic' is a C11 extension}}
typedef atomic_int_ptr; // ext-warning {{'_Atomic' is a C11 extension}}
typedef int ; // ext-warning {{'_Atomic' is a C11 extension}}
typedef int _Atomic *int_atomic_ptr; // ext-warning {{'_Atomic' is a C11 extension}}
typedef *int_atomic_ptr; // ext-warning {{'_Atomic' is a C11 extension}}
typedef int ;
typedef _Atomic int_fn atomic_int_fn; // expected-error {{_Atomic cannot be applied to function type 'int_fn' (aka 'int (void)')}} \
// ext-warning {{'_Atomic' is a C11 extension}}
typedef _Atomic int atomic_int_array; // ext-warning {{'_Atomic' is a C11 extension}}
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]')}} \
// ext-warning {{'_Atomic' is a C11 extension}}
_Atomic struct S ; // expected-warning {{'_Atomic' ignored on this declaration}} \
// ext-warning {{'_Atomic' is a C11 extension}}
typedef _Atomic int atomic_addr_space_int; // ext-warning {{'_Atomic' is a C11 extension}}
typedef atomic_addr_space_int; // ext-warning {{'_Atomic' is a C11 extension}}
typedef _Atomic int atomic_vector_int; // ext-warning {{'_Atomic' is a C11 extension}}
typedef atomic_vector_int; // ext-warning {{'_Atomic' is a C11 extension}}
; // ext-warning {{'_Atomic' is a C11 extension}}
int *const _Atomic ; // ext-warning {{'_Atomic' is a C11 extension}}