46 lines
		
	
	
		
			997 B
		
	
	
	
		
			Objective-C
		
	
	
	
			
		
		
	
	
			46 lines
		
	
	
		
			997 B
		
	
	
	
		
			Objective-C
		
	
	
	
// RUN: %clang_cc1 -emit-llvm -triple x86_64-apple-darwin %s -o /dev/null
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typedef unsigned int size_t;
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@protocol P @end
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@interface NSMutableArray
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#if __has_feature(objc_subscripting)
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- (id)objectAtIndexedSubscript:(size_t)index;
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- (void)setObject:(id)object atIndexedSubscript:(size_t)index;
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#endif
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@end
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#if __has_feature(objc_subscripting)
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@interface XNSMutableArray
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- (id)objectAtIndexedSubscript:(size_t)index;
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- (void)setObject:(id)object atIndexedSubscript:(size_t)index;
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#endif
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@end
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@interface NSMutableDictionary
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- (id)objectForKeyedSubscript:(id)key;
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- (void)setObject:(id)object forKeyedSubscript:(id)key;
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@end
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@class NSString;
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int main() {
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  NSMutableArray<P> * array;
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  id oldObject = array[10];
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  array[10] = oldObject;
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  id unknown_array;
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  oldObject = unknown_array[1];
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  unknown_array[1] = oldObject;
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  NSMutableDictionary *dictionary;
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  NSString *key;
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  id newObject;
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  oldObject = dictionary[key];
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  dictionary[key] = newObject;	// replace oldObject with newObject
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}
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