| 1 | // RUN: %clang_cc1 -x objective-c++ -triple x86_64-apple-darwin11 -fobjc-runtime-has-weak -fsyntax-only -fobjc-arc -verify %s |
|---|
| 2 | // RUN: %clang_cc1 -x objective-c++ -triple x86_64-apple-darwin11 -fobjc-runtime-has-weak -fsyntax-only -fobjc-weak -verify %s |
|---|
| 3 | // rdar://9693477 |
|---|
| 4 | |
|---|
| 5 | __attribute__((objc_arc_weak_reference_unavailable)) |
|---|
| 6 | @interface NSOptOut1072 // expected-note {{class is declared here}} |
|---|
| 7 | @end |
|---|
| 8 | |
|---|
| 9 | @interface sub : NSOptOut1072 @end // expected-note 2 {{class is declared here}} |
|---|
| 10 | |
|---|
| 11 | int main() { |
|---|
| 12 | __weak sub *w2; // expected-error {{class is incompatible with __weak references}} |
|---|
| 13 | |
|---|
| 14 | __weak NSOptOut1072 *ns1; // expected-error {{class is incompatible with __weak references}} |
|---|
| 15 | |
|---|
| 16 | id obj; |
|---|
| 17 | |
|---|
| 18 | ns1 = (__weak sub *)obj; // expected-error {{assignment of a weak-unavailable object to a __weak object}} \ |
|---|
| 19 | // expected-error {{class is incompatible with __weak references}} \ |
|---|
| 20 | // expected-error {{explicit ownership qualifier on cast result has no effect}} |
|---|
| 21 | } |
|---|
| 22 | |
|---|
| 23 | // rdar://9732636 |
|---|
| 24 | __attribute__((objc_arc_weak_reference_unavailable)) |
|---|
| 25 | @interface NOWEAK |
|---|
| 26 | + (id) new; |
|---|
| 27 | @end |
|---|
| 28 | |
|---|
| 29 | NOWEAK * Test1() { |
|---|
| 30 | NOWEAK * strong1 = [NOWEAK new]; |
|---|
| 31 | __weak id weak1; |
|---|
| 32 | weak1 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}} |
|---|
| 33 | |
|---|
| 34 | __weak id weak2 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}} |
|---|
| 35 | return (__weak id)strong1; // expected-error {{cast of weak-unavailable object of type 'NOWEAK *' to a __weak object of type '__weak id'}} \ |
|---|
| 36 | // expected-error {{explicit ownership qualifier on cast result has no effect}} |
|---|
| 37 | } |
|---|
| 38 | |
|---|
| 39 | @protocol P @end |
|---|
| 40 | @protocol P1 @end |
|---|
| 41 | |
|---|
| 42 | NOWEAK<P, P1> * Test2() { |
|---|
| 43 | NOWEAK<P, P1> * strong1 = 0; |
|---|
| 44 | __weak id<P> weak1; |
|---|
| 45 | weak1 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}} |
|---|
| 46 | |
|---|
| 47 | __weak id<P> weak2 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}} |
|---|
| 48 | 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>'}} \ |
|---|
| 49 | // expected-error {{explicit ownership qualifier on cast result has no effect}} |
|---|
| 50 | } |
|---|
| 51 | |
|---|
| 52 | |
|---|