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1 // RUN: %clang_cc1 %s -fsyntax-only -verify
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2 // RUN: %clang_cc1 -x objective-c++ %s -fsyntax-only -verify
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3
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4 // rdar://6497242 Inherited overridden protocol declared objects don't work
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5 // rdar://9740328 Case for c++
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6
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7 @protocol NSObject @end
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8 @interface NSObject @end
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9
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10 @protocol FooDelegate<NSObject>
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11 @optional
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12 - (void)fooTask;
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13 @end
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14
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15 @protocol BarDelegate<NSObject, FooDelegate>
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16 @optional
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17 - (void)barTask;
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18 @end
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19
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20 @interface Foo : NSObject {
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21 id _delegate;
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22 }
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23 @property(nonatomic, assign) id<FooDelegate> delegate;
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24 @property(nonatomic, assign) id<BarDelegate> delegate2; // expected-note {{property declared here}}
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25 @end
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26 @interface Bar : Foo {
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27 }
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28 @property(nonatomic, assign) id<BarDelegate> delegate;
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29 @property(nonatomic, assign) id<FooDelegate> delegate2; // expected-warning{{property type 'id<FooDelegate>' is incompatible with type 'id<BarDelegate>' inherited from 'Foo'}}
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30 @end
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31
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32 @interface NSData @end
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33
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34 @interface NSMutableData : NSData @end
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35
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36 @interface Base : NSData
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37 @property(assign) id ref;
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38 @property(assign) Base *p_base;
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39 @property(assign) NSMutableData *p_data; // expected-note {{property declared here}}
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40 @end
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41
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42 @interface Data : Base
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43 @property(assign) NSData *ref;
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44 @property(assign) Data *p_base;
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45 @property(assign) NSData *p_data; // expected-warning{{property type 'NSData *' is incompatible with type 'NSMutableData *' inherited from 'Base'}}
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46 @end
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47
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48 // rdar://15967517
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49 @protocol P1
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50 @property (nonatomic) void* selected;
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51 @end
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52
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53 @protocol P2
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54 @property (nonatomic) void* selected; // expected-note {{property declared here}}
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55 @end
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56
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57 @interface MKAnnotationView <P1>
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58 @property (nonatomic) void* selected; // expected-note {{property declared here}}
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59 @property (nonatomic) char selected2;
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60 @end
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61
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62 @interface Parent : MKAnnotationView <P2>
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63 @property (nonatomic) void* selected1; // expected-note {{property declared here}}
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64 @property (nonatomic) char selected2;
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65 @end
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66
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67 @interface Child : Parent
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68 @property (nonatomic) char selected; // expected-warning {{property type 'char' is incompatible with type 'void *' inherited from 'MKAnnotationView'}} \
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69 // expected-warning {{property type 'char' is incompatible with type 'void *' inherited from 'P2'}}
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70 @property (nonatomic) char selected1; // expected-warning {{property type 'char' is incompatible with type 'void *' inherited from 'Parent'}}
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71 @property (nonatomic) char selected2;
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72 @end
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