| // 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'}} |
| }; |