Vendor import of clang trunk r238337:vendor/clang/clang-trunk-r238337

https://llvm.org/svn/llvm-project/cfe/trunk@238337

1 files changed, 21 insertions, 2 deletions

diff --git a/test/SemaCXX/warn-unused-result.cpp b/test/SemaCXX/warn-unused-result.cpp
index 7bdb4245a95a..01bc457ec206 100644
--- a/test/SemaCXX/warn-unused-result.cpp
+++ b/test/SemaCXX/warn-unused-result.cpp
@@ -44,6 +44,12 @@ void bah() {
 }
 
 namespace warn_unused_CXX11 {
+class Status;
+class Foo {
+ public:
+  Status doStuff();
+};
+
 struct [[clang::warn_unused_result]] Status {
   bool ok() const;
   Status& operator=(const Status& x);
@@ -73,10 +79,23 @@ void lazy() {
   (void)DoYetAnotherThing();
 
   DoSomething(); // expected-warning {{ignoring return value}}
-  DoSomethingElse(); // expected-warning {{ignoring return value}}
-  DoAnotherThing(); // expected-warning {{ignoring return value}}
+  DoSomethingElse();
+  DoAnotherThing();
   DoYetAnotherThing();
 }
+
+template <typename T>
+class [[clang::warn_unused_result]] StatusOr {
+};
+StatusOr<int> doit();
+void test() {
+  Foo f;
+  f.doStuff(); // expected-warning {{ignoring return value}}
+  doit(); // expected-warning {{ignoring return value}}
+
+  auto func = []() { return Status(); };
+  func(); // expected-warning {{ignoring return value}}
+}
 }
 
 namespace PR17587 {