1 files changed, 54 insertions, 0 deletions
diff --git a/test/Sema/attr-deprecated-c2x.c b/test/Sema/attr-deprecated-c2x.c
new file mode 100644
index 000000000000..2505f1294c38
--- /dev/null
+++ b/test/Sema/attr-deprecated-c2x.c
@@ -0,0 +1,54 @@
+// RUN: %clang_cc1 %s -verify -fsyntax-only -fdouble-square-bracket-attributes
+
+int f() [[deprecated]]; // expected-note 2 {{'f' has been explicitly marked deprecated here}}
+void g() [[deprecated]];// expected-note {{'g' has been explicitly marked deprecated here}}
+void g();
+
+extern int var [[deprecated]]; // expected-note 2 {{'var' has been explicitly marked deprecated here}}
+
+int a() {
+  int (*ptr)() = f; // expected-warning {{'f' is deprecated}}
+  f(); // expected-warning {{'f' is deprecated}}
+
+  // test if attributes propagate to functions
+  g(); // expected-warning {{'g' is deprecated}}
+
+  return var; // expected-warning {{'var' is deprecated}}
+}
+
+// test if attributes propagate to variables
+extern int var;
+int w() {
+  return var; // expected-warning {{'var' is deprecated}}
+}
+
+int old_fn() [[deprecated]];// expected-note {{'old_fn' has been explicitly marked deprecated here}}
+int old_fn();
+int (*fn_ptr)() = old_fn; // expected-warning {{'old_fn' is deprecated}}
+
+int old_fn() {
+  return old_fn()+1;  // no warning, deprecated functions can use deprecated symbols.
+}
+
+struct foo {
+  int x [[deprecated]]; // expected-note 3 {{'x' has been explicitly marked deprecated here}}
+};
+
+void test1(struct foo *F) {
+  ++F->x;  // expected-warning {{'x' is deprecated}}
+  struct foo f1 = { .x = 17 }; // expected-warning {{'x' is deprecated}}
+  struct foo f2 = { 17 }; // expected-warning {{'x' is deprecated}}
+}
+
+typedef struct foo foo_dep [[deprecated]]; // expected-note {{'foo_dep' has been explicitly marked deprecated here}}
+foo_dep *test2;    // expected-warning {{'foo_dep' is deprecated}}
+
+struct [[deprecated, // expected-note {{'bar_dep' has been explicitly marked deprecated here}}
+         invalid_attribute]] bar_dep ;  // expected-warning {{unknown attribute 'invalid_attribute' ignored}}
+
+struct bar_dep *test3;   // expected-warning {{'bar_dep' is deprecated}}
+
+[[deprecated("this is the message")]] int i; // expected-note {{'i' has been explicitly marked deprecated here}}
+void test4(void) {
+  i = 12; // expected-warning {{'i' is deprecated: this is the message}}
+}