--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/ARCMT/objcmt-subscripting-literals.m	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,230 @@
+// RUN: rm -rf %t
+// RUN: %clang_cc1 -objcmt-migrate-literals -objcmt-migrate-subscripting -mt-migrate-directory %t %s -x objective-c -triple x86_64-apple-darwin11 
+// RUN: c-arcmt-test -mt-migrate-directory %t | arcmt-test -verify-transformed-files %s.result
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -x objective-c %s.result
+
+typedef signed char BOOL;
+#define nil ((void*) 0)
+
+typedef const struct __CFString * CFStringRef;
+
+@interface NSObject
++ (id)alloc;
+@end
+
+@protocol NSCopying
+@end
+
+@interface NSString : NSObject
++ (id)stringWithString:(NSString *)string;
+- (id)initWithString:(NSString *)aString;
+@end
+
+@interface NSArray : NSObject
+- (id)objectAtIndex:(unsigned long)index;
+@end
+
+@interface NSArray (NSExtendedArray)
+- (id)objectAtIndexedSubscript:(unsigned)idx;
+@end
+
+@interface NSArray (NSArrayCreation)
++ (id)array;
++ (id)arrayWithObject:(id)anObject;
++ (id)arrayWithObjects:(const id [])objects count:(unsigned long)cnt;
++ (id)arrayWithObjects:(id)firstObj, ...;
++ (id)arrayWithArray:(NSArray *)array;
+
+- (id)initWithObjects:(const id [])objects count:(unsigned long)cnt;
+- (id)initWithObjects:(id)firstObj, ...;
+- (id)initWithArray:(NSArray *)array;
+@end
+
+@interface NSMutableArray : NSArray
+- (void)replaceObjectAtIndex:(unsigned long)index withObject:(id)anObject;
+@end
+
+@interface NSMutableArray (NSExtendedMutableArray)
+- (void)setObject:(id)obj atIndexedSubscript:(unsigned)idx;
+@end
+
+@interface NSDictionary : NSObject
+- (id)objectForKey:(id)aKey;
+@end
+
+@interface NSDictionary (NSExtendedDictionary)
+- (id)objectForKeyedSubscript:(id)key;
+@end
+
+@interface NSDictionary (NSDictionaryCreation)
++ (id)dictionary;
++ (id)dictionaryWithObject:(id)object forKey:(id)key;
++ (id)dictionaryWithObjects:(const id [])objects forKeys:(const id [])keys count:(unsigned long)cnt;
++ (id)dictionaryWithObjectsAndKeys:(id)firstObject, ...;
++ (id)dictionaryWithDictionary:(NSDictionary *)dict;
++ (id)dictionaryWithObjects:(NSArray *)objects forKeys:(NSArray *)keys;
+
+- (id)initWithObjects:(const id [])objects forKeys:(const id [])keys count:(unsigned long)cnt;
+- (id)initWithObjectsAndKeys:(id)firstObject, ...;
+- (id)initWithDictionary:(NSDictionary *)otherDictionary;
+- (id)initWithObjects:(NSArray *)objects forKeys:(NSArray *)keys;
+@end
+
+@interface NSMutableDictionary : NSDictionary
+- (void)setObject:(id)anObject forKey:(id)aKey;
+@end
+
+@interface NSMutableDictionary (NSExtendedMutableDictionary)
+- (void)setObject:(id)obj forKeyedSubscript:(id <NSCopying>)key;
+@end
+
+@interface NSNumber : NSObject
+@end
+
+@interface NSNumber (NSNumberCreation)
++ (NSNumber *)numberWithInt:(int)value;
+@end
+
+#define M(x) (x)
+#define PAIR(x) @#x, [NSNumber numberWithInt:(x)]
+#define TWO(x) ((x), (x))
+#define TWO_SEP(x,y) ((x), (y))
+
+@interface I {
+  NSArray *ivarArr;
+}
+@end
+@implementation I
+-(void) foo {
+  NSString *str;
+  NSArray *arr;
+  NSDictionary *dict;
+
+  arr = [NSArray array];
+  arr = [NSArray arrayWithObject:str];
+  arr = [NSArray arrayWithObjects:str, str, nil];
+  dict = [NSDictionary dictionary];
+  dict = [NSDictionary dictionaryWithObject:arr forKey:str];
+  dict = [NSDictionary dictionaryWithObjectsAndKeys: @"value1", @"key1", @"value2", @"key2", nil];
+  dict = [NSDictionary dictionaryWithObjectsAndKeys: PAIR(1), PAIR(2), nil];
+  dict = [NSDictionary dictionaryWithObjectsAndKeys:
+                                               @"value1", @"key1",
+#ifdef BLAH
+                                               @"value2", @"key2",
+#else
+                                               @"value3", @"key3",
+#endif
+                                               nil ];
+
+  id o = [arr objectAtIndex:2];
+  o = [dict objectForKey:@"key"];
+  o = TWO([dict objectForKey:@"key"]);
+  o = TWO_SEP([dict objectForKey:@"key"], [arr objectAtIndex:2]);
+  o = [NSDictionary dictionaryWithObject:[NSDictionary dictionary] forKey:@"key"];
+  NSMutableArray *marr = 0;
+  NSMutableDictionary *mdict = 0;
+  [marr replaceObjectAtIndex:2 withObject:@"val"];
+  [mdict setObject:@"value" forKey:@"key"];
+  [marr replaceObjectAtIndex:2 withObject:[arr objectAtIndex:4]];
+  [mdict setObject:[dict objectForKey:@"key2"] forKey:@"key"];
+  [mdict setObject:[dict objectForKey:@"key2"] forKey:
+#if 1
+                     @"key1"
+#else
+                     @"key2"
+#endif
+                    ];
+  [mdict setObject:[dict objectForKey:
+#if 2
+                     @"key3"
+#else
+                     @"key4"
+#endif
+                   ] forKey:@"key"];
+  [mdict setObject:@"value" forKey:[dict objectForKey:
+#if 3
+                     @"key5"
+#else
+                     @"key6"
+#endif
+                   ] ];
+  [mdict setObject:@"val" forKey:[dict objectForKey:@"key2"]];
+  [mdict setObject:[dict objectForKey:@"key1"] forKey:[dict objectForKey:[NSArray arrayWithObject:@"arrkey"]]];
+  __strong NSArray **parr = 0;
+  o = [*parr objectAtIndex:2];
+  void *hd;
+  o = [(NSArray*)hd objectAtIndex:2];
+  o = [ivarArr objectAtIndex:2];
+
+  dict = [NSDictionary dictionaryWithObjects:[NSArray arrayWithObjects:@"1", [NSArray array], nil] forKeys:[NSArray arrayWithObjects:@"A", [arr objectAtIndex:2], nil]];
+  dict = [NSDictionary dictionaryWithObjects:[NSArray arrayWithObjects:@"1", @"2", nil] forKeys:arr];
+  dict = [NSDictionary dictionaryWithObjects:[NSArray arrayWithObjects:@"1", @"2", nil] forKeys:@[@"A", @"B"]];
+  dict = [NSDictionary dictionaryWithObjectsAndKeys:[NSArray array], @"A", [NSArray array], @"B", nil];
+}
+@end
+
+extern const CFStringRef globStr;
+
+void test1(NSString *str) {
+  NSDictionary *dict = [NSDictionary dictionaryWithObjectsAndKeys: str, globStr, nil];
+  dict = [NSDictionary dictionaryWithObjectsAndKeys: globStr, str, nil];
+  dict = [NSDictionary dictionaryWithObject:str forKey:globStr];
+  dict = [NSDictionary dictionaryWithObject:globStr forKey:str];
+
+  NSArray *arr = [NSArray arrayWithObjects: globStr, globStr, nil];
+  arr = [NSArray arrayWithObjects: str, globStr, nil];
+  arr = [NSArray arrayWithObjects: globStr, str, nil];
+  arr = [NSArray arrayWithObject:globStr];
+}
+
+@interface Custom : NSObject
+- (id)objectAtIndex:(unsigned long)index;
+@end
+
+@interface Custom (Extended)
+- (id)objectAtIndexedSubscript:(unsigned)idx;
+@end
+
+@interface MutableCustom : Custom
+- (void)replaceObjectAtIndex:(unsigned long)index withObject:(id)anObject;
+@end
+
+@interface MutableCustom (Extended)
+- (void)setObject:(id)obj atIndexedSubscript:(unsigned)idx;
+@end
+
+@interface CustomUnavail : NSObject
+- (id)objectAtIndex:(unsigned long)index;
+@end
+
+@interface CustomUnavail (Extended)
+- (id)objectAtIndexedSubscript:(unsigned)idx __attribute__((unavailable));
+@end
+
+@interface MutableCustomUnavail : CustomUnavail
+- (void)replaceObjectAtIndex:(unsigned long)index withObject:(id)anObject;
+@end
+
+@interface MutableCustomUnavail (Extended)
+- (void)setObject:(id)obj atIndexedSubscript:(unsigned)idx __attribute__((unavailable));
+@end
+
+void test2() {
+  MutableCustom *mutc;
+  id o = [mutc objectAtIndex:4];
+  [mutc replaceObjectAtIndex:2 withObject:@"val"];
+
+  MutableCustomUnavail *mutcunaval;
+  o = [mutcunaval objectAtIndex:4];
+  [mutcunaval replaceObjectAtIndex:2 withObject:@"val"];
+}
+
+@interface NSLocale : NSObject
++ (id)systemLocale;
++ (id)currentLocale;
+- (id)objectForKey:(id)key;
+@end
+
+void test3(id key) {
+  id o = [[NSLocale currentLocale] objectForKey:key];
+}