From 9940a5df86d36ecc69ee3a82e1a4fbfe841960ab Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Wed, 16 Oct 2013 16:21:04 +0000
Subject: Sema: Simplify the check if a method returns an instance of the
 class.

Just checking if the parent of the method is the same as the return type
should be sufficient. Also fixes PR17587.

llvm-svn: 192802
---
 clang/test/SemaCXX/warn-unused-result.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'clang/test')

diff --git a/clang/test/SemaCXX/warn-unused-result.cpp b/clang/test/SemaCXX/warn-unused-result.cpp
index b0bf61f3818..581af09080d 100644
--- a/clang/test/SemaCXX/warn-unused-result.cpp
+++ b/clang/test/SemaCXX/warn-unused-result.cpp
@@ -78,3 +78,19 @@ void lazy() {
   DoYetAnotherThing();
 }
 }
+
+namespace PR17587 {
+struct [[clang::warn_unused_result]] Status;
+
+struct Foo {
+  Status Bar();
+};
+
+struct Status {};
+
+void Bar() {
+  Foo f;
+  f.Bar(); // expected-warning {{ignoring return value}}
+};
+
+}
-- 
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