1 // RUN: %clang_cc1 %s -verify -fsyntax-only --std=c2x
2 
3 int f() [[deprecated]]; // expected-note 2 {{'f' has been explicitly marked deprecated here}}
4 void g() [[deprecated]];// expected-note {{'g' has been explicitly marked deprecated here}}
5 void g();
6 
7 extern int var [[deprecated]]; // expected-note 2 {{'var' has been explicitly marked deprecated here}}
8 
a()9 int a() {
10   int (*ptr)() = f; // expected-warning {{'f' is deprecated}}
11   f(); // expected-warning {{'f' is deprecated}}
12 
13   // test if attributes propagate to functions
14   g(); // expected-warning {{'g' is deprecated}}
15 
16   return var; // expected-warning {{'var' is deprecated}}
17 }
18 
19 // test if attributes propagate to variables
20 extern int var;
w()21 int w() {
22   return var; // expected-warning {{'var' is deprecated}}
23 }
24 
25 int old_fn() [[deprecated]];// expected-note {{'old_fn' has been explicitly marked deprecated here}}
26 int old_fn();
27 int (*fn_ptr)() = old_fn; // expected-warning {{'old_fn' is deprecated}}
28 
old_fn()29 int old_fn() {
30   return old_fn()+1;  // no warning, deprecated functions can use deprecated symbols.
31 }
32 
33 struct foo {
34   int x [[deprecated]]; // expected-note 3 {{'x' has been explicitly marked deprecated here}}
35 };
36 
test1(struct foo * F)37 void test1(struct foo *F) {
38   ++F->x;  // expected-warning {{'x' is deprecated}}
39   struct foo f1 = { .x = 17 }; // expected-warning {{'x' is deprecated}}
40   struct foo f2 = { 17 }; // expected-warning {{'x' is deprecated}}
41 }
42 
43 typedef struct foo foo_dep [[deprecated]]; // expected-note {{'foo_dep' has been explicitly marked deprecated here}}
44 foo_dep *test2;    // expected-warning {{'foo_dep' is deprecated}}
45 
46 struct [[deprecated, // expected-note {{'bar_dep' has been explicitly marked deprecated here}}
47          invalid_attribute]] bar_dep ;  // expected-warning {{unknown attribute 'invalid_attribute' ignored}}
48 
49 struct bar_dep *test3;   // expected-warning {{'bar_dep' is deprecated}}
50 
51 [[deprecated("this is the message")]] int i; // expected-note {{'i' has been explicitly marked deprecated here}}
test4(void)52 void test4(void) {
53   i = 12; // expected-warning {{'i' is deprecated: this is the message}}
54 }
55