acfbe9e1f2
The warning this inhibits, -Wobjc-root-class, is opt-in for now. However, all clang unit tests that would trigger the warning have been updated to use -Wno-objc-root-class. <rdar://problem/7446698> llvm-svn: 154187
42 lines
1.4 KiB
Objective-C
42 lines
1.4 KiB
Objective-C
// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -verify -Wno-objc-root-class %s
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// rdar://9495837
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@interface Foo {
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__unsafe_unretained id unsafe_ivar;
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}
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@property (assign,nonatomic) id unsafe_prop;
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- (id)init;
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+ (id)new;
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+ (id)alloc;
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-(void)Meth;
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@end
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@implementation Foo
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@synthesize unsafe_prop;
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-(id)init { return self; }
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+(id)new { return 0; }
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+(id)alloc { return 0; }
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-(void)Meth {
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self.unsafe_prop = [Foo new]; // expected-warning {{assigning retained object to unsafe property}}
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self->unsafe_ivar = [Foo new]; // expected-warning {{assigning retained object to unsafe_unretained}}
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self.unsafe_prop = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe property}}
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self->unsafe_ivar = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe_unretained}}
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__unsafe_unretained id unsafe_var;
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unsafe_var = [Foo new]; // expected-warning {{assigning retained object to unsafe_unretained}}
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unsafe_var = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe_unretained}}
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}
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@end
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void bar(Foo *f) {
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f.unsafe_prop = [Foo new]; // expected-warning {{assigning retained object to unsafe property}}
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__unsafe_unretained id unsafe_var;
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unsafe_var = [Foo new]; // expected-warning {{assigning retained object to unsafe_unretained}}
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unsafe_var = [[Foo alloc] init]; // expected-warning {{assigning retained object to unsafe_unretained}}
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}
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