1 files changed, 48 insertions, 0 deletions
diff --git a/clang/test/Rewriter/objc-modern-container-subscript.mm b/clang/test/Rewriter/objc-modern-container-subscript.mm
new file mode 100644
index 0000000..d6bb9c2
--- /dev/null
+++ b/clang/test/Rewriter/objc-modern-container-subscript.mm
@@ -0,0 +1,48 @@
+// RUN: %clang_cc1 -x objective-c++ -fblocks -fms-extensions -rewrite-objc %s -o %t-rw.cpp
+// RUN: %clang_cc1 -fsyntax-only -fblocks -Wno-address-of-temporary -D"Class=void*" -D"id=void*" -D"SEL=void*" -D"__declspec(X)=" %t-rw.cpp
+// rdar://11203853
+
+void *sel_registerName(const char *);
+
+typedef unsigned int size_t;
+@protocol P @end
+
+@interface NSMutableArray
+#if __has_feature(objc_subscripting)
+- (id)objectAtIndexedSubscript:(size_t)index;
+- (void)setObject:(id)object atIndexedSubscript:(size_t)index;
+#endif
+@end
+
+#if __has_feature(objc_subscripting)
+@interface XNSMutableArray
+- (id)objectAtIndexedSubscript:(size_t)index;
+- (void)setObject:(id)object atIndexedSubscript:(size_t)index;
+#endif
+@end
+
+@interface NSMutableDictionary
+- (id)objectForKeyedSubscript:(id)key;
+- (void)setObject:(id)object forKeyedSubscript:(id)key;
+@end
+
+@class NSString;
+
+int main() {
+  NSMutableArray<P> * array;
+  id oldObject = array[10];
+
+  array[10] = oldObject;
+
+  id unknown_array;
+  oldObject = unknown_array[1];
+
+  unknown_array[1] = oldObject;
+
+  NSMutableDictionary *dictionary;
+  NSString *key;
+  id newObject;
+  oldObject = dictionary[key];
+  dictionary[key] = newObject;  // replace oldObject with newObject
+}
+