================
@@ -0,0 +1,49 @@
+// RUN: %clang_cc1 -std=c++2c -fsyntax-only -verify %s
+
+void a(...);
+
+void b(auto...);
+void c(auto, ...);
+
+void d(auto......); // expected-warning {{declaration of a variadic function
without a comma before '...' is deprecated}} \
+ // expected-warning {{'...' in this location creates a
C-style varargs function}} \
+ // expected-note {{preceding '...' declares a function
parameter pack}} \
+ // expected-note {{insert ',' before '...' to silence this
warning}}
+void e(auto..., ...);
+
+void f(auto x...); // expected-warning {{declaration of a variadic function
without a comma before '...' is deprecated}}
+void g(auto x, ...);
+
+void h(auto... x...); // expected-warning {{declaration of a variadic function
without a comma before '...' is deprecated}} \
+ // expected-warning {{'...' in this location creates a
C-style varargs function}} \
+ // expected-note {{preceding '...' declares a function
parameter pack}} \
+ // expected-note {{insert ',' before '...' to silence
this warning}}
+void i(auto... x, ...);
+
+template<class ...Ts>
+void j(Ts... t...) {}; // expected-warning {{declaration of a variadic
function without a comma before '...' is deprecated}} \
+ // expected-warning {{'...' in this location creates a
C-style varargs function}} \
+ // expected-note {{preceding '...' declares a function
parameter pack}} \
+ // expected-note {{insert ',' before '...' to silence
this warning}}
+template<class ...Ts>
+void k(Ts... t, ...) {}
+
+void l(int...); // expected-warning {{declaration of a variadic function
without a comma before '...' is deprecated}}
+void m(int, ...);
+
+void n(int x...); // expected-warning {{declaration of a variadic function
without a comma before '...' is deprecated}}
+void o(int x, ...);
+
+struct S {
+ void p(this S...) {} // expected-warning {{declaration of a variadic
function without a comma before '...' is deprecated}}
+};
+
+template<class ...Ts>
+void q(Ts......) {} // expected-warning {{declaration of a variadic function
without a comma before '...' is deprecated}} \
+ // expected-warning {{'...' in this location creates a
C-style varargs function}} \
+ // expected-note {{preceding '...' declares a function
parameter pack}} \
+ // expected-note {{insert ',' before '...' to silence this
warning}}
+
+template<class T>
+void r(T...) {} // expected-warning {{declaration of a variadic function
without a comma before '...' is deprecated}}
----------------
antangelo wrote:
Thanks, I've added these test cases
https://github.com/llvm/llvm-project/pull/117524
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