xref: /aosp_15_r20/external/clang/test/CXX/special/class.copy/p15-0x.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s
2*67e74705SXin Li // expected-no-diagnostics
3*67e74705SXin Li 
4*67e74705SXin Li namespace PR10622 {
5*67e74705SXin Li   struct foo {
6*67e74705SXin Li     const int first;
7*67e74705SXin Li     foo(const foo&) = default;
8*67e74705SXin Li   };
find_or_insert(const foo & __obj)9*67e74705SXin Li   void find_or_insert(const foo& __obj) {
10*67e74705SXin Li     foo x(__obj);
11*67e74705SXin Li   }
12*67e74705SXin Li 
13*67e74705SXin Li   struct bar : foo {
14*67e74705SXin Li     bar(const bar&) = default;
15*67e74705SXin Li   };
test_bar(const bar & obj)16*67e74705SXin Li   void test_bar(const bar &obj) {
17*67e74705SXin Li     bar obj2(obj);
18*67e74705SXin Li   }
19*67e74705SXin Li }
20*67e74705SXin Li 
21*67e74705SXin Li namespace PR11418 {
22*67e74705SXin Li   template<typename T>
may_throw()23*67e74705SXin Li   T may_throw() {
24*67e74705SXin Li     return T();
25*67e74705SXin Li   }
26*67e74705SXin Li 
27*67e74705SXin Li   template<typename T> T &&declval() noexcept;
28*67e74705SXin Li 
29*67e74705SXin Li   struct NonPOD {
30*67e74705SXin Li     NonPOD();
31*67e74705SXin Li     NonPOD(const NonPOD &) noexcept;
32*67e74705SXin Li     NonPOD(NonPOD &&) noexcept;
33*67e74705SXin Li   };
34*67e74705SXin Li 
35*67e74705SXin Li   struct X {
36*67e74705SXin Li     NonPOD np = may_throw<NonPOD>();
37*67e74705SXin Li   };
38*67e74705SXin Li 
39*67e74705SXin Li   static_assert(noexcept(declval<X>()), "noexcept isn't working at all");
40*67e74705SXin Li   static_assert(noexcept(X(declval<X&>())), "copy constructor can't throw");
41*67e74705SXin Li   static_assert(noexcept(X(declval<X>())), "move constructor can't throw");
42*67e74705SXin Li }
43