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