forked from OSchip/llvm-project
29 lines
1.4 KiB
Plaintext
29 lines
1.4 KiB
Plaintext
// RUN: %clang_cc1 -fsyntax-only -fobjc-runtime-has-weak -fobjc-weak -fblocks -Wno-objc-root-class -std=c++98 -Wno-c++0x-extensions -verify %s
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@interface AnObject
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@property(weak) id value;
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@end
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__attribute__((objc_arc_weak_reference_unavailable))
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@interface NOWEAK : AnObject // expected-note 2 {{class is declared here}}
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@end
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struct S {
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__weak id a; // expected-note {{because type 'S' has a member with __weak ownership}}
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};
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union U {
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__weak id a; // expected-error {{ARC forbids Objective-C objects in union}}
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S b; // expected-error {{union member 'b' has a non-trivial copy constructor}}
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};
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void testCast(AnObject *o) {
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__weak id a = reinterpret_cast<__weak NOWEAK *>(o); // 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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// expected-error {{assignment of a weak-unavailable object to a __weak object}}
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__weak id b = static_cast<__weak NOWEAK *>(o); // 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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// expected-error {{assignment of a weak-unavailable object to a __weak object}}
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}
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