// RUN: %clang_cc1 %s -verify -fsyntax-only
int a __attribute__((returns_twice)); // expected-warning {{'returns_twice' attribute only applies to functions}}
__attribute__((returns_twice)) void t0(void) {
}
void t1() __attribute__((returns_twice));
void t2() __attribute__((returns_twice(2))); // expected-error {{'returns_twice' attribute takes no arguments}}
typedef void (*t3)(void) __attribute__((returns_twice)); // expected-warning {{'returns_twice' attribute only applies to functions}}