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-rw-r--r--clang/test/CodeGenObjCXX/objc-container-subscripting.mm57
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diff --git a/clang/test/CodeGenObjCXX/objc-container-subscripting.mm b/clang/test/CodeGenObjCXX/objc-container-subscripting.mm
new file mode 100644
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--- /dev/null
+++ b/clang/test/CodeGenObjCXX/objc-container-subscripting.mm
@@ -0,0 +1,57 @@
+// RUN: %clang_cc1 -emit-llvm -triple x86_64-apple-darwin -o - %s | FileCheck %s
+
+typedef unsigned int size_t;
+@protocol P @end
+
+@interface NSMutableArray
+- (id)objectAtIndexedSubscript:(size_t)index;
+- (void)setObject:(id)object atIndexedSubscript:(size_t)index;
+@end
+
+struct S {
+ operator unsigned int ();
+ operator id ();
+};
+
+@interface NSMutableDictionary
+- (id)objectForKeyedSubscript:(id)key;
+- (void)setObject:(id)object forKeyedSubscript:(id)key;
+@end
+
+int main() {
+ NSMutableArray<P> * array;
+ S s;
+ id oldObject = array[(int)s];
+
+ NSMutableDictionary<P> *dict;
+ dict[(id)s] = oldObject;
+ oldObject = dict[(id)s];
+
+}
+
+template <class T> void test2(NSMutableArray *a) {
+ a[10] = 0;
+}
+template void test2<int>(NSMutableArray*);
+// CHECK: define weak_odr void @_Z5test2IiEvP14NSMutableArray
+// CHECK: @objc_msgSend
+// CHECK: ret void
+
+
+template <class T> void test3(NSMutableArray *a) {
+ a[sizeof(T)] = 0;
+}
+
+template void test3<int>(NSMutableArray*);
+// CHECK: define weak_odr void @_Z5test3IiEvP14NSMutableArray
+// CHECK: @objc_msgSend
+// CHECK: ret void
+
+// CHECK: define void @_Z11static_dataP14NSMutableArray
+void static_data(NSMutableArray *array) {
+ // CHECK: call i32 @__cxa_guard_acquire
+ // CHECK: {{call i8*.*@objc_msgSend }}
+ // CHECK: call void @__cxa_guard_release
+ static id x = array[4];
+ // CHECK: ret void
+}