================
@@ -0,0 +1,48 @@
+// 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}}
----------------
AaronBallman wrote:
Another test that probably makes sense because I can see people trying it and
getting sad:
```
constexpr const char *getMsg() { return "this is a message"; }
void func() = delete(getMsg());
```
https://github.com/llvm/llvm-project/pull/86526
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