forked from OSchip/llvm-project
86 lines
2.8 KiB
C++
86 lines
2.8 KiB
C++
// RUN: %clang_cc1 -std=c++98 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
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// RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
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// RUN: %clang_cc1 -std=c++14 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
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// RUN: %clang_cc1 -std=c++1z -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
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#if __cplusplus < 201103L
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// expected-error@+1 {{variadic macro}}
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#define static_assert(...) __extension__ _Static_assert(__VA_ARGS__)
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#endif
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namespace dr2103 { // dr2103: yes
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void f() {
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int a;
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int &r = a; // expected-note {{here}}
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struct Inner {
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void f() {
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int &s = r; // expected-error {{enclosing function}}
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(void)s;
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}
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};
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}
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}
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namespace dr2120 { // dr2120: 7
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struct A {};
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struct B : A {};
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struct C { A a; };
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struct D { C c[5]; };
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struct E : B { D d; };
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static_assert(__is_standard_layout(B), "");
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static_assert(__is_standard_layout(D), "");
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static_assert(!__is_standard_layout(E), "");
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}
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namespace dr2140 { // dr2140: 9
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#if __cplusplus >= 201103L
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union U { int a; decltype(nullptr) b; };
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constexpr int *test(U u) {
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return u.b;
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}
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static_assert(!test({123}), "u.b should be valid even when b is inactive");
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#endif
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}
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namespace dr2157 { // dr2157: 11
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#if __cplusplus >= 201103L
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enum E : int;
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struct X {
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enum dr2157::E : int(); // expected-error {{only allows ':' in member enumeration declaration to introduce a fixed underlying type}}
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};
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#endif
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}
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namespace dr2170 { // dr2170: 9
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#if __cplusplus >= 201103L
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void f() {
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constexpr int arr[3] = {1, 2, 3}; // expected-note {{here}}
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struct S {
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int get(int n) { return arr[n]; }
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const int &get_ref(int n) { return arr[n]; } // expected-error {{enclosing function}}
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// FIXME: expected-warning@-1 {{reference to stack}}
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};
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}
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#endif
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}
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namespace dr2180 { // dr2180: yes
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class A {
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A &operator=(const A &); // expected-note 0-2{{here}}
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A &operator=(A &&); // expected-note 0-2{{here}} expected-error 0-1{{extension}}
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};
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struct B : virtual A {
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B &operator=(const B &);
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B &operator=(B &&); // expected-error 0-1{{extension}}
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virtual void foo() = 0;
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};
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#if __cplusplus < 201103L
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B &B::operator=(const B&) = default; // expected-error {{private member}} expected-error {{extension}} expected-note {{here}}
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B &B::operator=(B&&) = default; // expected-error {{private member}} expected-error 2{{extension}} expected-note {{here}}
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#else
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B &B::operator=(const B&) = default; // expected-error {{would delete}} expected-note@-9{{inaccessible copy assignment}}
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B &B::operator=(B&&) = default; // expected-error {{would delete}} expected-note@-10{{inaccessible move assignment}}
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#endif
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}
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