1*67e74705SXin Li// RUN: %clang_cc1 %s -verify -fsyntax-only 2*67e74705SXin Li// expected-no-diagnostics 3*67e74705SXin Li@class NSString; 4*67e74705SXin Liextern void NSLog(NSString *format, ...) __attribute__((format(__NSString__, 1, 2))); 5*67e74705SXin Li 6*67e74705SXin Liint main() { 7*67e74705SXin Li NSLog(@"Hi…"); 8*67e74705SXin Li NSLog(@"Exposé"); 9*67e74705SXin Li NSLog(@"\U00010400\U0001D12B"); 10*67e74705SXin Li NSLog(@"hello \u2192 \u2603 \u2190 world"); 11*67e74705SXin Li NSLog(@"hello → ☃ ← world"); 12*67e74705SXin Li return 0; 13*67e74705SXin Li} 14*67e74705SXin Li 15