1 files changed, 21 insertions, 0 deletions
diff --git a/test/SemaCXX/attr-nonnull.cpp b/test/SemaCXX/attr-nonnull.cpp
index 09c054c19770..8af49d9d29e6 100644
--- a/test/SemaCXX/attr-nonnull.cpp
+++ b/test/SemaCXX/attr-nonnull.cpp
@@ -31,3 +31,24 @@ namespace rdar8769025 {
     f2(0, 0); // expected-warning{{null passed to a callee which requires a non-null argument}}
   }
 }
+
+namespace test3 {
+__attribute__((nonnull(1))) void f(void *ptr);
+
+void g() {
+  f(static_cast<char*>((void*)0));  // expected-warning{{null passed}}
+  f(static_cast<char*>(0));  // expected-warning{{null passed}}
+}
+}
+
+namespace test4 {
+struct X {
+  bool operator!=(const void *) const __attribute__((nonnull(2)));
+};
+bool operator==(const X&, const void *) __attribute__((nonnull(2)));
+
+void test(const X& x) {
+  (void)(x == 0);  // expected-warning{{null passed}}
+  (void)(x != 0);  // expected-warning{{null passed}}
+}
+}