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1// RUN: %clang_cc1 -fobjc-runtime-has-weak -fobjc-weak -fsyntax-only -verify %s2 3__attribute__((objc_root_class))4@interface A5@property (weak) id wa; // expected-note {{property declared here}}6@property (weak) id wb;7@property (weak) id wc; // expected-note {{property declared here}}8@property (weak) id wd;9@property (unsafe_unretained) id ua;10@property (unsafe_unretained) id ub; // expected-note {{property declared here}}11@property (unsafe_unretained) id uc;12@property (unsafe_unretained) id ud;13@property (strong) id sa;14@property (strong) id sb; // expected-note {{property declared here}}15@property (strong) id sc;16@property (strong) id sd;17@end18 19@implementation A {20 id _wa; // expected-error {{existing instance variable '_wa' for __weak property 'wa' must be __weak}}21 __weak id _wb;22 __unsafe_unretained id _wc; // expected-error {{existing instance variable '_wc' for __weak property 'wc' must be __weak}}23 id _ua;24 __weak id _ub; // expected-error {{existing instance variable '_ub' for property 'ub' with unsafe_unretained attribute must be __unsafe_unretained}}25 __unsafe_unretained id _uc;26 id _sa;27 __weak id _sb; // expected-error {{existing instance variable '_sb' for strong property 'sb' may not be __weak}}28 __unsafe_unretained id _sc;29}30@synthesize wa = _wa; // expected-note {{property synthesized here}}31@synthesize wb = _wb;32@synthesize wc = _wc; // expected-note {{property synthesized here}}33@synthesize wd = _wd;34@synthesize ua = _ua;35@synthesize ub = _ub; // expected-note {{property synthesized here}}36@synthesize uc = _uc;37@synthesize ud = _ud;38@synthesize sa = _sa;39@synthesize sb = _sb; // expected-note {{property synthesized here}}40@synthesize sc = _sc;41@synthesize sd = _sd;42@end43 44void test_goto(void) {45 goto after; // expected-error {{cannot jump from this goto statement to its label}}46 __weak id x; // expected-note {{jump bypasses initialization of __weak variable}}}47after:48 return;49}50 51void test_weak_cast(id *value) {52 __weak id *a = (__weak id*) value;53 id *b = (__weak id*) value; // expected-error {{initializing 'id *' with an expression of type '__weak id *' changes retain/release properties of pointer}}54 __weak id *c = (id*) value; // expected-error {{initializing '__weak id *' with an expression of type 'id *' changes retain/release properties of pointer}}55}56 57void test_unsafe_unretained_cast(id *value) {58 __unsafe_unretained id *a = (__unsafe_unretained id*) value;59 id *b = (__unsafe_unretained id*) value;60 __unsafe_unretained id *c = (id*) value;61}62 63void test_cast_qualifier_inference(__weak id *value) {64 __weak id *a = (id*) value;65 __unsafe_unretained id *b = (id *)value; // expected-error {{initializing 'id *' with an expression of type '__weak id *' changes retain/release properties of pointer}}66}67 68