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diff --git a/clang/test/SemaObjCXX/objc-container-subscripting.mm b/clang/test/SemaObjCXX/objc-container-subscripting.mm
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+// RUN: %clang_cc1 -fblocks -triple x86_64-apple-darwin11 -fsyntax-only -std=c++11 -verify %s
+
+@class NSArray;
+
+@interface NSMutableDictionary
+- (id)objectForKeyedSubscript:(id)key;
+- (void)setObject:(id)object forKeyedSubscript:(id)key; // expected-note {{passing argument to parameter 'object' here}}
+@end
+
+template<typename T, typename U, typename O>
+void test_dictionary_subscripts(T base, U key, O obj) {
+ base[key] = obj; // expected-error {{expected method to write array element not found on object of type 'NSMutableDictionary *'}} \
+ // expected-error {{cannot initialize a parameter of type 'id' with an lvalue of type 'int'}}
+ obj = base[key]; // expected-error {{expected method to read array element not found on object of type 'NSMutableDictionary *'}} \
+ // expected-error {{assigning to 'int' from incompatible type 'id'}}
+
+}
+
+template void test_dictionary_subscripts(NSMutableDictionary*, id, NSArray *ns);
+
+template void test_dictionary_subscripts(NSMutableDictionary*, NSArray *ns, id);
+
+template void test_dictionary_subscripts(NSMutableDictionary*, int, id); // expected-note {{in instantiation of function template specialization 'test_dictionary_subscripts<NSMutableDictionary *, int, id>' requested here}}
+
+template void test_dictionary_subscripts(NSMutableDictionary*, id, int); // expected-note {{in instantiation of function template specialization 'test_dictionary_subscripts<NSMutableDictionary *, id, int>' requested here}}
+
+
+@interface NSMutableArray
+- (id)objectAtIndexedSubscript:(int)index;
+- (void)setObject:(id)object atIndexedSubscript:(int)index;
+@end
+
+template<typename T, typename U, typename O>
+void test_array_subscripts(T base, U index, O obj) {
+ base[index] = obj; // expected-error {{indexing expression is invalid because subscript type 'double' is not an integral or objective-C pointer type}}
+ obj = base[index]; // expected-error {{indexing expression is invalid because subscript type 'double' is not an integral or objective-C pointer type}}
+}
+
+template void test_array_subscripts(NSMutableArray *, int, id);
+template void test_array_subscripts(NSMutableArray *, short, id);
+enum E { e };
+
+template void test_array_subscripts(NSMutableArray *, E, id);
+
+template void test_array_subscripts(NSMutableArray *, double, id); // expected-note {{in instantiation of function template specialization 'test_array_subscripts<NSMutableArray *, double, id>' requested here}}
+
+template<typename T>
+struct ConvertibleTo {
+ operator T();
+};
+
+template<typename T>
+struct ExplicitlyConvertibleTo {
+ explicit operator T();
+};
+
+template<typename T> ConvertibleTo<T> makeConvertible();
+
+struct X {
+ ConvertibleTo<id> x;
+ ConvertibleTo<id> get();
+};
+
+NSMutableArray *test_array_convertibility(ConvertibleTo<NSMutableArray*> toArray,
+ ConvertibleTo<id> toId,
+ ConvertibleTo<int (^)(int)> toBlock,
+ ConvertibleTo<int> toInt,
+ ExplicitlyConvertibleTo<NSMutableArray *> toArrayExplicit) {
+ id array;
+
+ array[1] = toArray;
+
+ array[4] = array[1];
+
+ toArrayExplicit[2] = toId; // expected-error {{type 'ExplicitlyConvertibleTo<NSMutableArray *>' does not provide a subscript operator}}
+
+ return array[toInt];
+
+}
+
+id test_dict_convertibility(ConvertibleTo<NSMutableDictionary*> toDict,
+ ConvertibleTo<id> toId,
+ ConvertibleTo<int (^)(int)> toBlock,
+ ConvertibleTo<int> toInt,
+ ExplicitlyConvertibleTo<NSMutableDictionary *> toDictExplicit) {
+
+
+ NSMutableDictionary *Dict;
+ id Id;
+ Dict[toId] = toBlock;
+
+ Dict[toBlock] = toBlock;
+
+ Dict[toBlock] = Dict[toId] = Dict[toBlock];
+
+ Id = toDictExplicit[toId] = Id; // expected-error {{no viable overloaded operator[] for type 'ExplicitlyConvertibleTo<NSMutableDictionary *>'}}
+
+ return Dict[toBlock];
+}
+
+
+template<typename ...Args>
+void test_bad_variadic_array_subscripting(Args ...args) {
+ id arr1;
+ arr1[3] = args; // expected-error {{expression contains unexpanded parameter pack 'args'}}
+}
+
+template<typename ...Args>
+void test_variadic_array_subscripting(Args ...args) {
+ id arr[] = {args[3]...}; // which means: {a[3], b[3], c[3]};
+}
+
+template void test_variadic_array_subscripting(id arg1, NSMutableArray* arg2, id arg3);
+
+@class Key;
+
+template<typename Index, typename ...Args>
+void test_variadic_dictionary_subscripting(Index I, Args ...args) {
+ id arr[] = {args[I]...}; // which means: {a[3], b[3], c[3]};
+}
+
+template void test_variadic_dictionary_subscripting(Key *key, id arg1, NSMutableDictionary* arg2, id arg3);
+
+template<int N>
+id get(NSMutableArray *array) {
+ return array[N]; // array[N] should be a value- and instantiation-dependent ObjCSubscriptRefExpr
+}
+
+struct WeirdIndex {
+ operator int(); // expected-note {{type conversion function declared here}}
+ operator id(); // expected-note {{type conversion function declared here}}
+};
+
+id FUNC(WeirdIndex w) {
+ NSMutableArray *array;
+ return array[w]; // expected-error {{indexing expression is invalid because subscript type 'WeirdIndex' has multiple type conversion functions}}
+}
+