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// RUN: cp %s %t
// RUN: %clang_cc1 -x objective-c -fixit %t
// RUN: %clang_cc1 -x objective-c -Werror %t
// rdar://13503456
void object_setClass(id, id);
Class object_getClass(id);
id rhs();
Class pr6302(id x123) {
x123->isa = 0;
x123->isa = rhs();
x123->isa = (id)(x123->isa);
x123->isa = (id)x123->isa;
x123->isa = (x123->isa);
x123->isa = (id)(x123->isa);
return x123->isa;
}
@interface BaseClass {
@public
Class isa; // expected-note 3 {{instance variable is declared here}}
}
@end
@interface OtherClass {
@public
id firstIvar;
Class isa; // note, not first ivar;
}
@end
@interface Subclass : BaseClass @end
@interface SiblingClass : BaseClass @end
@interface Root @end
@interface hasIsa : Root {
@public
Class isa; // note, isa is not in root class
}
@end
@implementation Subclass
-(void)method {
hasIsa *u;
id v;
BaseClass *w;
Subclass *x;
SiblingClass *y;
OtherClass *z;
(void)v->isa;
(void)w->isa;
(void)x->isa;
(void)y->isa;
(void)z->isa;
(void)u->isa;
y->isa = 0;
y->isa = w->isa;
x->isa = rhs();
}
@end
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