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