1// RUN: %clang_cc1 -fsyntax-only -verify %s
2
3#if !__has_feature(attribute_availability)
4#  error 'availability' attribute is not available
5#endif
6
7void f0() __attribute__((availability(macosx,introduced=10.2,deprecated=10.4,obsoleted=10.6)));
8
9void f1() __attribute__((availability(macosx,deprecated=10.4,introduced=10.2,obsoleted=10.6)));
10
11void f2() __attribute__((availability(ios,deprecated=10.4.7,introduced=10,obsoleted=10.6)));
12
13void f3() __attribute__((availability(ios,deprecated=10.4.7,introduced=10,obsoleted=10.6,introduced=10.2))); // expected-error{{redundant 'introduced' availability change; only the last specified change will be used}}
14
15void f4() __attribute__((availability(macosx,introduced=10.5), availability(ios,unavailable)));
16
17void f5() __attribute__((availability(macosx,introduced=10.5), availability(ios,unavailable, unavailable))); // expected-error{{redundant 'unavailable' availability change; only the last specified change will be used}}
18
19void f6() __attribute__((availability(macosx,unavailable,introduced=10.5))); // expected-warning{{warning: 'unavailable' availability overrides all other availability information}}
20
21