| // RUN: %clang_cc1 -std=c++23 -fsyntax-only -verify=expected,pre26 -pedantic %s |
| // RUN: %clang_cc1 -std=c++2c -fsyntax-only -verify=expected,compat -Wpre-c++26-compat %s |
| // RUN: %clang_cc1 -std=c++2c -fsyntax-only -verify %s |
| |
| struct S { |
| void a() = delete; |
| void b() = delete(; // expected-error {{expected string literal}} expected-error {{expected ')'}} expected-note {{to match this '('}} |
| void c() = delete(); // expected-error {{expected string literal}} |
| void d() = delete(42); // expected-error {{expected string literal}} |
| void e() = delete("foo"[0]); // expected-error {{expected ')'}} expected-note {{to match this '('}} // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}} |
| void f() = delete("foo"); // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}} |
| |
| S() = delete("foo"); // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}} |
| ~S() = delete("foo"); // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}} |
| S(const S&) = delete("foo"); // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}} |
| S(S&&) = delete("foo"); // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}} |
| S& operator=(const S&) = delete("foo"); // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}} |
| S& operator=(S&&) = delete("foo"); // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}} |
| }; |
| |
| struct T { |
| T() = delete(); // expected-error {{expected string literal}} |
| ~T() = delete(); // expected-error {{expected string literal}} |
| T(const T&) = delete(); // expected-error {{expected string literal}} |
| T(T&&) = delete(); // expected-error {{expected string literal}} |
| T& operator=(const T&) = delete(); // expected-error {{expected string literal}} |
| T& operator=(T&&) = delete(); // expected-error {{expected string literal}} |
| }; |
| |
| void a() = delete; |
| void b() = delete(; // expected-error {{expected string literal}} expected-error {{expected ')'}} expected-note {{to match this '('}} |
| void c() = delete(); // expected-error {{expected string literal}} |
| void d() = delete(42); // expected-error {{expected string literal}} |
| void e() = delete("foo"[0]); // expected-error {{expected ')'}} expected-note {{to match this '('}} // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}} |
| void f() = delete("foo"); // pre26-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}} |
| |
| constexpr const char *getMsg() { return "this is a message"; } |
| void func() = delete(getMsg()); // expected-error {{expected string literal}} |
| |
| namespace CWG2876 { |
| using T = void (); |
| using U = int; |
| |
| T a = delete ("hello"); // expected-error {{only functions can have deleted definitions}} |
| U b = delete ("hello"), c, d = delete ("hello"); // expected-error 2 {{only functions can have deleted definitions}} |
| |
| struct C { |
| T e = delete ("hello"); // expected-error {{'= delete' is a function definition and must occur in a standalone declaration}} |
| U f = delete ("hello"); // expected-error {{cannot delete expression of type 'const char[6]'}} |
| }; |
| } |