1// RUN: %clang_cc1 -verify -fsyntax-only -fobjc-arc -fblocks %s
2
3#define CALLED_ONCE __attribute__((called_once))
4
5void test1(int x CALLED_ONCE);    // expected-error{{'called_once' attribute only applies to function-like parameters}}
6void test2(double x CALLED_ONCE); // expected-error{{'called_once' attribute only applies to function-like parameters}}
7
8void test3(void (*foo)() CALLED_ONCE);   // no-error
9void test4(int (^foo)(int) CALLED_ONCE); // no-error
10
11void test5(void (*foo)() __attribute__((called_once(1))));
12// expected-error@-1{{'called_once' attribute takes no arguments}}
13void test6(void (*foo)() __attribute__((called_once("str1", "str2"))));
14// expected-error@-1{{'called_once' attribute takes no arguments}}
15
16CALLED_ONCE void test7(); // expected-warning{{'called_once' attribute only applies to parameters}}
17void test8() {
18  void (*foo)() CALLED_ONCE; // expected-warning{{'called_once' attribute only applies to parameters}}
19  foo();
20}
21