1// RUN: %clang_cc1 -fsyntax-only -verify -Wthread-safety -Wthread-safety-beta -Wno-objc-root-class %s
2
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 test
12@end
13
14@implementation test
15- (void) PR19541 {
16  Foo_fun1(1); // expected-warning{{calling function 'Foo_fun1' requires holding mutex 'mu1' exclusively}}
17}
18
19@end
20