1 // RUN: %clang_cc1 -verify -fsyntax-only %s 2 3 static void (*fp0)(void) __attribute__((noreturn)); 4 5 void fatal(); 6 7 static void __attribute__((noreturn)) f0(void) { 8 fatal(); 9 } // expected-warning {{function declared 'noreturn' should not return}} 10 11 // On K&R 12 int f1() __attribute__((noreturn)); 13 14 int g0 __attribute__((noreturn)); // expected-warning {{'noreturn' only applies to function types; type here is 'int'}} 15 16 int f2() __attribute__((noreturn(1, 2))); // expected-error {{'noreturn' attribute takes no arguments}} 17 18 void f3() __attribute__((noreturn)); 19 void f3() { 20 return; // expected-warning {{function 'f3' declared 'noreturn' should not return}} 21 } 22 23 #pragma clang diagnostic error "-Winvalid-noreturn" 24 25 void f4() __attribute__((noreturn)); 26 void f4() { 27 return; // expected-error {{function 'f4' declared 'noreturn' should not return}} 28 } 29 30 // PR4685 31 extern void f5 (unsigned long) __attribute__ ((__noreturn__)); 32 33 void 34 f5 (unsigned long size) 35 { 36 37 } 38 39 // PR2461 40 __attribute__((noreturn)) void f(__attribute__((noreturn)) void (*x)(void)) { 41 x(); 42 } 43 44 typedef void (*Fun)(void) __attribute__ ((noreturn(2))); // expected-error {{'noreturn' attribute takes no arguments}} 45
