ObjectiveC ARC. Validate toll free bridge casting

of ObjectiveC objects to CF types when CF type
has the objc_bridge attribute.

llvm-svn: 194930

1 files changed, 4 insertions, 2 deletions

diff --git a/clang/test/SemaObjC/objcbridge-attribute.m b/clang/test/SemaObjC/objcbridge-attribute.m
index 4379c6fc8e9..d961528ebde 100644
--- a/clang/test/SemaObjC/objcbridge-attribute.m
+++ b/clang/test/SemaObjC/objcbridge-attribute.m
@@ -1,7 +1,7 @@
 // RUN: %clang_cc1 -fsyntax-only -fobjc-arc -verify -Wno-objc-root-class %s
 // rdar://15454846
 
-typedef struct __CFErrorRef * __attribute__ ((objc_bridge(NSError))) CFErrorRef;
+typedef struct __CFErrorRef * __attribute__ ((objc_bridge(NSError))) CFErrorRef; // expected-note {{declared here}}
 
 typedef struct __CFMyColor  * __attribute__((objc_bridge(12))) CFMyColorRef; // expected-error {{parameter of 'objc_bridge' attribute must be a single name of an Objective-C class}}
 
@@ -48,8 +48,10 @@ typedef CFErrorRef1 CFErrorRef2;
 
 @class NSString;
 
-void Test2(CFErrorRef2 cf) {
+void Test2(CFErrorRef2 cf, NSError *ns, NSString *str) {
   (void)(NSString *)cf; // expected-warning {{CFErrorRef bridges to NSError, not NSString}}
   (void)(NSError *)cf; // okay
   (void)(MyError*)cf; // okay,
+  (void)(CFErrorRef)ns; // okay
+  (void)(CFErrorRef)str;  // expected-warning {{NSString cannot bridge to CFErrorRef}}
 }