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1 // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -verify -Wno-objc-root-class %s
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2 // rdar://9495837
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3
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4 @interface Foo {
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5 __unsafe_unretained id unsafe_ivar;
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6 }
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7
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8 @property (assign,nonatomic) id unsafe_prop;
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9
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10 - (id)init;
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11 + (id)new;
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12 + (id)alloc;
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13
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14 -(void)Meth;
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15 @end
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16
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17 @implementation Foo
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18 @synthesize unsafe_prop;
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19 -(id)init { return self; }
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20 +(id)new { return 0; }
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21 +(id)alloc { return 0; }
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22
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23 -(void)Meth {
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24 self.unsafe_prop = [Foo new]; // expected-warning {{assigning retained object to unsafe property}}
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25 self->unsafe_ivar = [Foo new]; // expected-warning {{assigning retained object to unsafe_unretained}}
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26 self.unsafe_prop = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe property}}
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27 self->unsafe_ivar = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe_unretained}}
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28
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29 __unsafe_unretained id unsafe_var;
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30 unsafe_var = [Foo new]; // expected-warning {{assigning retained object to unsafe_unretained}}
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31 unsafe_var = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe_unretained}}
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32 }
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33 @end
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34
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35 void bar(Foo *f) {
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36 f.unsafe_prop = [Foo new]; // expected-warning {{assigning retained object to unsafe property}}
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37
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38 __unsafe_unretained id unsafe_var;
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39 unsafe_var = [Foo new]; // expected-warning {{assigning retained object to unsafe_unretained}}
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40 unsafe_var = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe_unretained}}
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41 }
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