1 files changed, 43 insertions, 0 deletions
diff --git a/clang/test/ARCMT/no-canceling-bridge-to-bridge-cast.m b/clang/test/ARCMT/no-canceling-bridge-to-bridge-cast.m
new file mode 100644
index 0000000..81841fb
--- /dev/null
+++ b/clang/test/ARCMT/no-canceling-bridge-to-bridge-cast.m
@@ -0,0 +1,43 @@
+// RUN: %clang_cc1 -arcmt-check -triple x86_64-apple-darwin10 -fsyntax-only -x objective-c -verify %s 
+// DISABLE: mingw32
+// rdar://10387088
+typedef const void * CFTypeRef;
+CFTypeRef CFBridgingRetain(id X);
+id CFBridgingRelease(CFTypeRef);
+
+extern 
+CFTypeRef CFRetain(CFTypeRef cf);
+
+@interface INTF
+{
+  void *cf_format;
+  id objc_format;
+}
+@end
+
+@interface NSString
++ (id)stringWithFormat:(NSString *)format;
+@end
+
+@implementation INTF
+- (void) Meth {
+  NSString *result;
+
+  result = (id) CFRetain([NSString stringWithFormat:@"PBXLoopMode"]); // expected-error {{cast of C pointer type 'CFTypeRef' (aka 'const void *') to Objective-C pointer type 'id' requires a bridged cast}} \
+								      // expected-note {{use __bridge to convert directly (no change in ownership)}} \
+								      // expected-note {{use CFBridgingRelease call to transfer ownership of a +1 'CFTypeRef' (aka 'const void *') into ARC}}
+
+  result = (id) CFRetain((id)((objc_format))); // expected-error {{cast of C pointer type 'CFTypeRef' (aka 'const void *') to Objective-C pointer type 'id' requires a bridged cast}} \
+					       // expected-note {{use __bridge to convert directly (no change in ownership)}} \
+					       // expected-note {{use CFBridgingRelease call to transfer ownership of a +1 'CFTypeRef' (aka 'const void *') into ARC}}
+
+  result = (id) CFRetain((id)((cf_format))); // expected-error {{cast of C pointer type 'CFTypeRef' (aka 'const void *') to Objective-C pointer type 'id' requires a bridged cast}} \
+					     // expected-note {{use __bridge to convert directly (no change in ownership)}} \
+                                             // expected-note {{use CFBridgingRelease call to transfer ownership of a +1 'CFTypeRef' (aka 'const void *') into ARC}}
+
+  result = (id) CFRetain((CFTypeRef)((objc_format)));
+
+  result = (id) CFRetain(cf_format); // OK
+}
+@end
+