objc++-arc: more diagnosis of converting a weak-unavailable
object to a __weak object type. // rdar://9732636
llvm-svn: 134706
diff --git a/clang/test/SemaObjC/arc-unavailable-for-weakref.m b/clang/test/SemaObjC/arc-unavailable-for-weakref.m
index 734fa53..104314e 100644
--- a/clang/test/SemaObjC/arc-unavailable-for-weakref.m
+++ b/clang/test/SemaObjC/arc-unavailable-for-weakref.m
@@ -24,7 +24,7 @@
+ (id) new;
@end
-NOWEAK * Test9732636() {
+NOWEAK * Test1() {
NOWEAK * strong1 = [NOWEAK new];
__weak id weak1;
weak1 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}}
@@ -33,3 +33,15 @@
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>'}}
+}
+