1// RUN: %clang_cc1 -fsyntax-only -verify %s 2// expected-no-diagnostics 3extern "C" { 4@class Protocol; 5} 6 7// <rdar://problem/7827709> 8extern "C" { 9@class I; 10} 11 12@interface I 13@end 14 15// rdar://10015110 16@protocol VKAnnotation; 17extern "C" { 18 19@protocol VKAnnotation 20 @property (nonatomic, assign) id coordinate; 21@end 22} 23