forked from OSchip/llvm-project
48 lines
1.7 KiB
Objective-C
48 lines
1.7 KiB
Objective-C
// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fobjc-runtime-has-weak -fsyntax-only -fobjc-arc -verify %s
|
|
// rdar://9693477
|
|
|
|
__attribute__((objc_arc_weak_reference_unavailable))
|
|
@interface NSOptOut1072 // expected-note {{class is declared here}}
|
|
@end
|
|
|
|
@interface sub : NSOptOut1072 @end // expected-note 2 {{class is declared here}}
|
|
|
|
int main() {
|
|
__weak sub *w2; // expected-error {{class is incompatible with __weak references}}
|
|
|
|
__weak NSOptOut1072 *ns1; // expected-error {{class is incompatible with __weak references}}
|
|
|
|
id obj;
|
|
|
|
ns1 = (__weak sub *)obj; // expected-error {{assignment of a weak-unavailable object to a __weak object}} \
|
|
// expected-error {{class is incompatible with __weak references}}
|
|
}
|
|
|
|
// rdar://9732636
|
|
__attribute__((objc_arc_weak_reference_unavailable))
|
|
@interface NOWEAK
|
|
+ (id) new;
|
|
@end
|
|
|
|
NOWEAK * Test1() {
|
|
NOWEAK * strong1 = [NOWEAK new];
|
|
__weak id weak1;
|
|
weak1 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}}
|
|
|
|
__weak id weak2 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}}
|
|
return (__weak id)strong1; // expected-error {{cast of weak-unavailable object of type 'NOWEAK *' to a __weak object of type '__weak id'}}
|
|
}
|
|
|
|
@protocol P @end
|
|
@protocol P1 @end
|
|
|
|
NOWEAK<P, P1> * Test2() {
|
|
NOWEAK<P, P1> * strong1 = 0;
|
|
__weak id<P> weak1;
|
|
weak1 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}}
|
|
|
|
__weak id<P> weak2 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}}
|
|
return (__weak id<P>)strong1; // expected-error {{cast of weak-unavailable object of type 'NOWEAK<P,P1> *' to a __weak object of type '__weak id<P>'}}
|
|
}
|
|
|