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1// RUN: %clang_cc1 -fsyntax-only -verify -Wthread-safety -Wthread-safety-beta -Wno-objc-root-class %s2 3struct __attribute__ ((lockable)) Mutex {};4 5struct Mutex mu1;6 7int Foo_fun1(int i) __attribute__ ((exclusive_locks_required((mu1)))) {8 return i;9}10 11@interface test12@end13 14@implementation test15- (void) PR19541 {16 Foo_fun1(1); // expected-warning{{calling function 'Foo_fun1' requires holding mutex 'mu1' exclusively}}17}18 19@end20