
Fixes #109311 --- https://github.com/llvm/llvm-project/issues/109311#issuecomment-2422963686
62 lines
4.3 KiB
C++
62 lines
4.3 KiB
C++
// RUN: %clang_cc1 -std=c++17 -fsyntax-only -verify=expected,pre26 %s
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// RUN: %clang_cc1 -std=c++17 -fsyntax-only -verify=expected,pre26-pedantic -pedantic %s
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// RUN: %clang_cc1 -std=c++2c -fsyntax-only -verify=expected,compat -Wpre-c++26-compat %s
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// RUN: %clang_cc1 -std=c++2c -fsyntax-only -verify %s
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struct S {
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void a() = delete;
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void b() = delete(; // expected-error {{expected string literal}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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void c() = delete(); // expected-error {{expected string literal}}
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void d() = delete(42); // expected-error {{expected string literal}}
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void e() = delete("foo"[0]); // expected-error {{expected ')'}} expected-note {{to match this '('}} // pre26-pedantic-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
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void f() = delete("foo"); // pre26-pedantic-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
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S() = delete("foo"); // pre26-pedantic-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
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~S() = delete("foo"); // pre26-pedantic-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
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S(const S&) = delete("foo"); // pre26-pedantic-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
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S(S&&) = delete("foo"); // pre26-pedantic-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
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S& operator=(const S&) = delete("foo"); // pre26-pedantic-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
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S& operator=(S&&) = delete("foo"); // pre26-pedantic-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
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};
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struct T {
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T() = delete(); // expected-error {{expected string literal}}
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~T() = delete(); // expected-error {{expected string literal}}
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T(const T&) = delete(); // expected-error {{expected string literal}}
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T(T&&) = delete(); // expected-error {{expected string literal}}
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T& operator=(const T&) = delete(); // expected-error {{expected string literal}}
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T& operator=(T&&) = delete(); // expected-error {{expected string literal}}
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};
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void a() = delete;
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void b() = delete(; // expected-error {{expected string literal}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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void c() = delete(); // expected-error {{expected string literal}}
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void d() = delete(42); // expected-error {{expected string literal}}
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void e() = delete("foo"[0]); // expected-error {{expected ')'}} expected-note {{to match this '('}} // pre26-pedantic-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
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void f() = delete("foo"); // pre26-pedantic-warning {{'= delete' with a message is a C++2c extension}} compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2c}}
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constexpr const char *getMsg() { return "this is a message"; }
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void func() = delete(getMsg()); // expected-error {{expected string literal}}
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namespace CWG2876 {
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using T = void ();
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using U = int;
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T a = delete ("hello"); // expected-error {{only functions can have deleted definitions}}
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U b = delete ("hello"), c, d = delete ("hello"); // expected-error 2 {{only functions can have deleted definitions}}
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struct C {
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T e = delete ("hello"); // expected-error {{'= delete' is a function definition and must occur in a standalone declaration}}
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U f = delete ("hello"); // expected-error {{cannot delete expression of type 'const char[6]'}}
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};
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}
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namespace GH109311 {
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void f() = delete
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#if __cpp_deleted_function >= 202403L
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("reason") // pre26-pedantic-warning {{'= delete' with a message is a C++2c extension}} \
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// compat-warning {{'= delete' with a message is incompatible with C++ standards before C++2}}
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#endif
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;
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}
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