| 1 | // RUN: cp %s %t |
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| 2 | // RUN: %clang_cc1 -x objective-c -fixit %t |
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| 3 | // RUN: %clang_cc1 -x objective-c -Werror %t |
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| 4 | // rdar://13503456 |
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| 5 | |
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| 6 | void object_setClass(id, id); |
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| 7 | Class object_getClass(id); |
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| 8 | |
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| 9 | id rhs(); |
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| 10 | |
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| 11 | Class pr6302(id x123) { |
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| 12 | x123->isa = 0; |
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| 13 | x123->isa = rhs(); |
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| 14 | x123->isa = (id)(x123->isa); |
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| 15 | x123->isa = (id)x123->isa; |
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| 16 | x123->isa = (x123->isa); |
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| 17 | x123->isa = (id)(x123->isa); |
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| 18 | return x123->isa; |
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| 19 | } |
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| 20 | |
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| 21 | |
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| 22 | @interface BaseClass { |
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| 23 | @public |
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| 24 | Class isa; // expected-note 3 {{instance variable is declared here}} |
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| 25 | } |
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| 26 | @end |
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| 27 | |
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| 28 | @interface OtherClass { |
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| 29 | @public |
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| 30 | id firstIvar; |
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| 31 | Class isa; // note, not first ivar; |
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| 32 | } |
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| 33 | @end |
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| 34 | |
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| 35 | @interface Subclass : BaseClass @end |
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| 36 | |
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| 37 | @interface SiblingClass : BaseClass @end |
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| 38 | |
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| 39 | @interface Root @end |
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| 40 | |
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| 41 | @interface hasIsa : Root { |
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| 42 | @public |
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| 43 | Class isa; // note, isa is not in root class |
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| 44 | } |
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| 45 | @end |
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| 46 | |
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| 47 | @implementation Subclass |
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| 48 | -(void)method { |
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| 49 | hasIsa *u; |
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| 50 | id v; |
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| 51 | BaseClass *w; |
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| 52 | Subclass *x; |
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| 53 | SiblingClass *y; |
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| 54 | OtherClass *z; |
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| 55 | (void)v->isa; |
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| 56 | (void)w->isa; |
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| 57 | (void)x->isa; |
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| 58 | (void)y->isa; |
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| 59 | (void)z->isa; |
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| 60 | (void)u->isa; |
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| 61 | y->isa = 0; |
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| 62 | y->isa = w->isa; |
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| 63 | x->isa = rhs(); |
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| 64 | } |
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| 65 | @end |
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| 66 | |
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| 67 | |
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