1 files changed, 42 insertions, 0 deletions
diff --git a/test/SemaObjCXX/warn-implicit-self-in-block.mm b/test/SemaObjCXX/warn-implicit-self-in-block.mm
new file mode 100644
index 0000000000..4842b4b10b
--- /dev/null
+++ b/test/SemaObjCXX/warn-implicit-self-in-block.mm
@@ -0,0 +1,42 @@
+// RUN: %clang_cc1 -x objective-c++ -std=c++11 -fobjc-arc -fblocks -Wimplicit-retain-self -verify %s
+// rdar://11194874
+
+typedef void (^BlockTy)();
+
+void noescapeFunc(__attribute__((noescape)) BlockTy);
+void escapeFunc(BlockTy);
+
+@interface Root @end
+
+@interface I : Root
+{
+  int _bar;
+}
+@end
+
+@implementation I
+  - (void)foo{
+      ^{
+           _bar = 3; // expected-warning {{block implicitly retains 'self'; explicitly mention 'self' to indicate this is intended behavior}}
+       }();
+  }
+
+  - (void)testNested{
+    noescapeFunc(^{
+      (void)_bar;
+      escapeFunc(^{
+        (void)_bar; // expected-warning {{block implicitly retains 'self'; explicitly mention 'self' to indicate this is intended behavior}}
+        noescapeFunc(^{
+          (void)_bar; // expected-warning {{block implicitly retains 'self'; explicitly mention 'self' to indicate this is intended behavior}}
+        });
+        (void)_bar; // expected-warning {{block implicitly retains 'self'; explicitly mention 'self' to indicate this is intended behavior}}
+      });
+      (void)_bar;
+    });
+  }
+
+  - (void)testLambdaInBlock{
+    noescapeFunc(^{ [&](){ (void)_bar; }(); });
+    escapeFunc(^{ [&](){ (void)_bar; }(); }); // expected-warning {{block implicitly retains 'self'; explicitly mention 'self' to indicate this is intended behavior}}
+  }
+@end