Add the clang library to the repo (with some of my changes, too).

1 files changed, 39 insertions, 0 deletions

diff --git a/clang/test/SemaCXX/attr-unavailable.cpp b/clang/test/SemaCXX/attr-unavailable.cpp
new file mode 100644
index 0000000..2d82668
--- /dev/null
+++ b/clang/test/SemaCXX/attr-unavailable.cpp
@@ -0,0 +1,39 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+int &foo(int); // expected-note {{candidate}}
+double &foo(double); // expected-note {{candidate}}
+void foo(...) __attribute__((__unavailable__)); // expected-note {{candidate function}} \
+// expected-note{{function has been explicitly marked unavailable here}}
+
+void bar(...) __attribute__((__unavailable__)); // expected-note 2{{explicitly marked unavailable}}
+
+void test_foo(short* sp) {
+  int &ir = foo(1);
+  double &dr = foo(1.0);
+  foo(sp); // expected-error{{call to unavailable function 'foo'}}
+
+  void (*fp)(...) = &bar; // expected-error{{'bar' is unavailable}}
+  void (*fp2)(...) = bar; // expected-error{{'bar' is unavailable}}
+
+  int &(*fp3)(int) = foo;
+  void (*fp4)(...) = foo; // expected-error{{'foo' is unavailable}}
+}
+
+namespace radar9046492 {
+// rdar://9046492
+#define FOO __attribute__((unavailable("not available - replaced")))
+
+void foo() FOO; // expected-note {{candidate function has been explicitly made unavailable}}
+void bar() {
+  foo(); // expected-error {{call to unavailable function 'foo': not available - replaced}}
+}
+}
+
+void unavail(short* sp)  __attribute__((__unavailable__));
+void unavail(short* sp) {
+  // No complains inside an unavailable function.
+  int &ir = foo(1);
+  double &dr = foo(1.0);
+  foo(sp);
+  foo();
+}