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-rw-r--r--test/SemaObjC/arc.m11
1 files changed, 11 insertions, 0 deletions
diff --git a/test/SemaObjC/arc.m b/test/SemaObjC/arc.m
index d89d035..1d4e42d 100644
--- a/test/SemaObjC/arc.m
+++ b/test/SemaObjC/arc.m
@@ -756,3 +756,14 @@ void rdar12569201(id key, id value) {
@interface C
- (void)method:(id[])objects; // expected-error{{must explicitly describe intended ownership of an object array parameter}}
@end
+
+// rdar://13752880
+@interface NSMutableArray : NSArray @end
+
+typedef __strong NSMutableArray * PSNS;
+
+void test(NSArray *x) {
+ NSMutableArray *y = x; // expected-warning {{incompatible pointer types initializing 'NSMutableArray *' with an expression of type 'NSArray *'}}
+ __strong NSMutableArray *y1 = x; // expected-warning {{incompatible pointer types initializing 'NSMutableArray *' with an expression of type 'NSArray *'}}
+ PSNS y2 = x; // expected-warning {{incompatible pointer types initializing 'NSMutableArray *' with an expression of type 'NSArray *'}}
+}
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