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1// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -fblocks -fobjc-runtime-has-weak -Wexplicit-ownership-type -verify -Wno-objc-root-class %s2// RUN: %clang_cc1 -x objective-c++ -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -fblocks -fobjc-runtime-has-weak -Wexplicit-ownership-type -verify -Wno-objc-root-class %s3 4typedef const struct __CFString * CFStringRef;5@class NSString;6 7NSString *CFBridgingRelease(void);8 9typedef NSString * PNSString;10 11typedef __autoreleasing NSString * AUTORELEASEPNSString;12 13@interface I @end14 15@implementation I16- (CFStringRef)myString17{18 CFStringRef myString =19 (__bridge CFStringRef) (__strong NSString *)CFBridgingRelease(); // expected-error {{explicit ownership qualifier on cast result has no effect}}20 21 myString =22 (__bridge CFStringRef) (__autoreleasing PNSString) CFBridgingRelease(); // expected-error {{explicit ownership qualifier on cast result has no effect}}23 myString =24 (__bridge CFStringRef) (AUTORELEASEPNSString) CFBridgingRelease(); // OK25 myString =26 (__bridge CFStringRef) (typeof(__strong NSString *)) CFBridgingRelease(); // expected-error {{explicit ownership qualifier on cast result has no effect}}27 return myString;28}29 30- (void)decodeValueOfObjCType:(const char *)type at:(void *)addr {31 __autoreleasing id *stuff = (__autoreleasing id *)addr;32}33@end34 35__strong I *__strong test1; // expected-error {{the type 'I *__strong' is already explicitly ownership-qualified}}36__strong I *(__strong test2); // expected-error {{the type 'I *__strong' is already explicitly ownership-qualified}}37__strong I *(__strong (test3)); // expected-error {{the type 'I *__strong' is already explicitly ownership-qualified}}38__unsafe_unretained __typeof__(test3) test4;39typedef __strong I *strong_I;40__unsafe_unretained strong_I test5;41 42typedef void (^T) (void);43@interface NSObject @end44@protocol P;45@interface Radar10907090 @end46 47@implementation Radar1090709048- (void) MMM : (NSObject*) arg0 : (NSObject<P>**)arg : (id) arg1 : (id<P>*) arg2 {} // expected-warning {{method parameter of type 'NSObject<P> *__autoreleasing *' with no explicit ownership}} \49 // expected-warning {{method parameter of type '__autoreleasing id<P> *' with no explicit ownership}}50- (void) MM : (NSObject*) arg0 : (__strong NSObject**)arg : (id) arg1 : (__strong id*) arg2 {}51- (void) M : (NSObject**)arg0 : (id*)arg {} // expected-warning {{method parameter of type 'NSObject *__autoreleasing *' with no explicit ownership}} \52 // expected-warning {{method parameter of type '__autoreleasing id *' with no explicit ownership}}53- (void) N : (__strong NSObject***) arg0 : (__strong NSObject<P>***)arg : (float**) arg1 : (double) arg2 {} 54- (void) BLOCK : (T*) arg0 : (T)arg : (__strong T*) arg1 {} // expected-warning-re {{method parameter of type '__autoreleasing T *' (aka 'void (^__autoreleasing *)({{(void)?}})') with no explicit ownership}}55@end56 57@class NSMutableDictionary, NSError;58@interface Radar1228082659- (void)createInferiorTransportAndSetEnvironment:(NSMutableDictionary*)environment error:(__autoreleasing NSError**)error;60@end61 62@implementation Radar1228082663- (void)createInferiorTransportAndSetEnvironment:(NSMutableDictionary*)environment error:(__autoreleasing NSError**)error {}64@end65 66typedef __strong id strong_id;67typedef NSObject *NSObject_ptr;68typedef __strong NSObject *strong_NSObject_ptr;69 70// Warn71__strong id f1(void); // expected-warning{{ARC __strong lifetime qualifier on return type is ignored}}72NSObject __unsafe_unretained *f2(int); // expected-warning{{ARC __unsafe_unretained lifetime qualifier on return type is ignored}}73__autoreleasing NSObject *f3(void); // expected-warning{{ARC __autoreleasing lifetime qualifier on return type is ignored}}74NSObject * __strong f4(void); // expected-warning{{ARC __strong lifetime qualifier on return type is ignored}}75NSObject_ptr __strong f5(void); // expected-warning{{ARC __strong lifetime qualifier on return type is ignored}}76 77typedef __strong id (*fptr)(int); // expected-warning{{ARC __strong lifetime qualifier on return type is ignored}}78 79// Don't warn80strong_id f6(void);81strong_NSObject_ptr f7(void);82typedef __strong id (^block_ptr)(int);83 84void test8_a(void) {85 __weak id *(^myBlock)(void);86 __weak id *var = myBlock();87 (void) (__strong id *) &myBlock;88 (void) (__weak id *) &myBlock; // expected-error {{cast}}89}90void test8_b(void) {91 __weak id (^myBlock)(void);92 (void) (__weak id *) &myBlock;93 (void) (__strong id *) &myBlock; // expected-error {{cast}}94}95void test8_c(void) {96 __weak id (^*(^myBlock)(void))(void);97 (void) (__weak id*) myBlock();98 (void) (__strong id*) myBlock(); // expected-error {{cast}}99 (void) (__weak id*) &myBlock; // expected-error {{cast}}100 (void) (__strong id*) &myBlock;101}102 103@class Test9;104void test9_a(void) {105 __weak Test9 **(^myBlock)(void);106 __weak Test9 **var = myBlock();107 (void) (__strong Test9 **) &myBlock;108 (void) (__weak Test9 **) &myBlock; // expected-error {{cast}}109}110void test9_b(void) {111 __weak Test9 *(^myBlock)(void);112 (void) (__weak Test9**) &myBlock;113 (void) (__strong Test9**) &myBlock; // expected-error {{cast}}114}115void test9_c(void) {116 __weak Test9 *(^*(^myBlock)(void))(void);117 (void) (__weak Test9 **) myBlock();118 (void) (__strong Test9 **) myBlock(); // expected-error {{cast}}119 (void) (__weak Test9 **) &myBlock; // expected-error {{cast}}120 (void) (__strong Test9 **) &myBlock;121}122