| 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 | |