52 lines
2.2 KiB
Plaintext
52 lines
2.2 KiB
Plaintext
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// RUN: %clang_cc1 -x objective-c++ -triple x86_64-apple-darwin11 -fobjc-runtime-has-weak -fsyntax-only -fobjc-arc -verify %s
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// RUN: %clang_cc1 -x objective-c++ -triple x86_64-apple-darwin11 -fobjc-runtime-has-weak -fsyntax-only -fobjc-weak -verify %s
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// rdar://9693477
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__attribute__((objc_arc_weak_reference_unavailable))
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@interface NSOptOut1072 // expected-note {{class is declared here}}
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@end
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@interface sub : NSOptOut1072 @end // expected-note 2 {{class is declared here}}
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int main() {
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__weak sub *w2; // expected-error {{class is incompatible with __weak references}}
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__weak NSOptOut1072 *ns1; // expected-error {{class is incompatible with __weak references}}
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id obj;
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ns1 = (__weak sub *)obj; // expected-error {{assignment of a weak-unavailable object to a __weak object}} \
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// expected-error {{class is incompatible with __weak references}} \
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// expected-error {{explicit ownership qualifier on cast result has no effect}}
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}
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// rdar://9732636
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__attribute__((objc_arc_weak_reference_unavailable))
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@interface NOWEAK
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+ (id) new;
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@end
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NOWEAK * Test1() {
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NOWEAK * strong1 = [NOWEAK new];
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__weak id weak1;
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weak1 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}}
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__weak id weak2 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}}
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return (__weak id)strong1; // expected-error {{cast of weak-unavailable object of type 'NOWEAK *' to a __weak object of type '__weak id'}} \
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// expected-error {{explicit ownership qualifier on cast result has no effect}}
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}
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@protocol P @end
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@protocol P1 @end
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NOWEAK<P, P1> * Test2() {
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NOWEAK<P, P1> * strong1 = 0;
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__weak id<P> weak1;
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weak1 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}}
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__weak id<P> weak2 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}}
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return (__weak id<P, P1>)strong1; // expected-error {{cast of weak-unavailable object of type 'NOWEAK<P,P1> *' to a __weak object of type '__weak id<P,P1>'}} \
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// expected-error {{explicit ownership qualifier on cast result has no effect}}
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}
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