| // RUN: %clang_cc1 -std=c++98 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors |
| // RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors |
| // RUN: %clang_cc1 -std=c++14 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors |
| // RUN: %clang_cc1 -std=c++1z -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors |
| |
| #if __cplusplus < 201103L |
| // expected-error@+1 {{variadic macro}} |
| #define static_assert(...) __extension__ _Static_assert(__VA_ARGS__) |
| #endif |
| |
| namespace dr2103 { // dr2103: yes |
| void f() { |
| int a; |
| int &r = a; // expected-note {{here}} |
| struct Inner { |
| void f() { |
| int &s = r; // expected-error {{enclosing function}} |
| (void)s; |
| } |
| }; |
| } |
| } |
| |
| namespace dr2120 { // dr2120: 7 |
| struct A {}; |
| struct B : A {}; |
| struct C { A a; }; |
| struct D { C c[5]; }; |
| struct E : B { D d; }; |
| static_assert(__is_standard_layout(B), ""); |
| static_assert(__is_standard_layout(D), ""); |
| static_assert(!__is_standard_layout(E), ""); |
| } |
| |
| namespace dr2140 { // dr2140: 9 |
| #if __cplusplus >= 201103L |
| union U { int a; decltype(nullptr) b; }; |
| constexpr int *test(U u) { |
| return u.b; |
| } |
| static_assert(!test({123}), "u.b should be valid even when b is inactive"); |
| #endif |
| } |
| |
| namespace dr2170 { // dr2170: 9 |
| #if __cplusplus >= 201103L |
| void f() { |
| constexpr int arr[3] = {1, 2, 3}; // expected-note {{here}} |
| struct S { |
| int get(int n) { return arr[n]; } |
| const int &get_ref(int n) { return arr[n]; } // expected-error {{enclosing function}} |
| // FIXME: expected-warning@-1 {{reference to stack}} |
| }; |
| } |
| #endif |
| } |
| |
| namespace dr2180 { // dr2180: yes |
| class A { |
| A &operator=(const A &); // expected-note 0-2{{here}} |
| A &operator=(A &&); // expected-note 0-2{{here}} expected-error 0-1{{extension}} |
| }; |
| |
| struct B : virtual A { |
| B &operator=(const B &); |
| B &operator=(B &&); // expected-error 0-1{{extension}} |
| virtual void foo() = 0; |
| }; |
| #if __cplusplus < 201103L |
| B &B::operator=(const B&) = default; // expected-error {{private member}} expected-error {{extension}} expected-note {{here}} |
| B &B::operator=(B&&) = default; // expected-error {{private member}} expected-error 2{{extension}} expected-note {{here}} |
| #else |
| B &B::operator=(const B&) = default; // expected-error {{would delete}} expected-note@-9{{inaccessible copy assignment}} |
| B &B::operator=(B&&) = default; // expected-error {{would delete}} expected-note@-10{{inaccessible move assignment}} |
| #endif |
| } |