1 files changed, 46 insertions, 0 deletions
diff --git a/clang/test/CodeGenObjCXX/blocks.mm b/clang/test/CodeGenObjCXX/blocks.mm
new file mode 100644
index 0000000..126931d
--- /dev/null
+++ b/clang/test/CodeGenObjCXX/blocks.mm
@@ -0,0 +1,46 @@
+// RUN: %clang_cc1 -x objective-c++ -fblocks -triple x86_64-apple-darwin -fobjc-fragile-abi %s -verify -emit-llvm -o %t
+// rdar://8979379
+
+@interface A
+@end
+
+@interface B : A
+@end
+
+void f(int (^bl)(B* b));
+
+// Test1
+void g() {
+  f(^(A* a) { return 0; });
+}
+
+// Test2
+void g1() {
+  int (^bl)(B* b) = ^(A* a) { return 0; };
+}
+
+// Test3
+@protocol NSObject;
+
+void bar(id(^)(void));
+
+void foo(id <NSObject>(^objectCreationBlock)(void)) {
+    return bar(objectCreationBlock);
+}
+
+// Test4
+struct S {
+  S *(^a)() = ^{ // expected-warning {{C++11}}
+    return this;
+  };
+};
+S s;
+
+// Test5
+struct X {
+  void f() {
+    ^ {
+      struct Nested { Nested *ptr = this; }; // expected-warning {{C++11}}
+    } ();
+  };
+};