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// RUN: %clang_cc1 -verify -pedantic %s
template<typename T> struct atomic {
_Atomic(T) value;
void f() _Atomic; // expected-error {{expected ';' at end of declaration list}}
};
template<typename T> struct user {
struct inner { char n[sizeof(T)]; };
atomic<inner> i;
};
user<int> u;
// Test overloading behavior of atomics.
struct A { };
int &ovl1(_Atomic(int));
int &ovl1(_Atomic int); // ok, redeclaration
long &ovl1(_Atomic(long));
float &ovl1(_Atomic(float));
double &ovl1(_Atomic(A const *const *));
double &ovl1(A const *const *_Atomic);
short &ovl1(_Atomic(A **));
void test_overloading(int i, float f, _Atomic(int) ai, _Atomic(float) af,
long l, _Atomic(long) al, A const *const *acc,
A const ** ac, A **a) {
int& ir1 = ovl1(i);
int& ir2 = ovl1(ai);
long& lr1 = ovl1(l);
long& lr2 = ovl1(al);
float &fr1 = ovl1(f);
float &fr2 = ovl1(af);
double &dr1 = ovl1(acc);
double &dr2 = ovl1(ac);
short &sr1 = ovl1(a);
}
typedef int (A::*fp)() _Atomic; // expected-error {{expected ';' after top level declarator}} expected-warning {{does not declare anything}}
typedef _Atomic(int(A::*)) atomic_mem_ptr_to_int;
typedef int(A::*_Atomic atomic_mem_ptr_to_int);
typedef _Atomic(int)(A::*mem_ptr_to_atomic_int);
typedef _Atomic int(A::*mem_ptr_to_atomic_int);
typedef _Atomic(int)&atomic_int_ref;
typedef _Atomic int &atomic_int_ref;
typedef _Atomic atomic_int_ref atomic_int_ref; // ok, qualifiers on references ignored in this case.
typedef int &_Atomic atomic_reference_to_int; // expected-error {{'_Atomic' qualifier may not be applied to a reference}}
typedef _Atomic(int &) atomic_reference_to_int; // expected-error {{_Atomic cannot be applied to reference type 'int &'}}
struct S {
_Atomic union { int n; }; // expected-warning {{anonymous union cannot be '_Atomic'}}
};
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