--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/Rewriter/rewrite-nested-ivar.mm	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,33 @@
+// RUN: %clang_cc1 -x objective-c++ -Wno-return-type -fblocks -fms-extensions -rewrite-objc -fobjc-runtime=macosx-fragile-10.5 %s -o %t-rw.cpp
+// RUN: %clang_cc1 -fsyntax-only -std=gnu++98 -fblocks -Wno-address-of-temporary -D"id=void*" -D"SEL=void*" -D"__declspec(X)=" %t-rw.cpp
+// RUN: %clang_cc1 -x objective-c++ -Wno-return-type -fblocks -fms-extensions -rewrite-objc %s -o %t-rw-modern.cpp
+// RUN: %clang_cc1 -fsyntax-only -std=gnu++98 -fblocks -Wno-address-of-temporary -D"id=void*" -D"SEL=void*" -D"__declspec(X)=" %t-rw-modern.cpp
+// radar 7583971
+
+
+@interface NSURLResponse {
+@public
+  NSURLResponse *InnerResponse;
+}
+@end
+
+@interface NSCachedURLResponseInternal 
+{
+    @public
+    NSURLResponse *response;
+}
+@end
+
+@interface NSCachedURLResponse
+{
+    @private
+    NSCachedURLResponseInternal *_internal;
+}
+- (void) Meth;
+@end
+
+@implementation NSCachedURLResponse
+- (void) Meth {
+    _internal->response->InnerResponse = 0;
+  }
+@end