clang-1/test/Sema/attr-noreturn.c

45 строки
1.1 KiB
C

// RUN: %clang_cc1 -verify -fsyntax-only %s
static void (*fp0)(void) __attribute__((noreturn));
void fatal();
static void __attribute__((noreturn)) f0(void) {
fatal();
} // expected-warning {{function declared 'noreturn' should not return}}
// On K&R
int f1() __attribute__((noreturn));
int g0 __attribute__((noreturn)); // expected-warning {{'noreturn' only applies to function types; type here is 'int'}}
int f2() __attribute__((noreturn(1, 2))); // expected-error {{attribute takes no arguments}}
void f3() __attribute__((noreturn));
void f3() {
return; // expected-warning {{function 'f3' declared 'noreturn' should not return}}
}
#pragma clang diagnostic error "-Winvalid-noreturn"
void f4() __attribute__((noreturn));
void f4() {
return; // expected-error {{function 'f4' declared 'noreturn' should not return}}
}
// PR4685
extern void f5 (unsigned long) __attribute__ ((__noreturn__));
void
f5 (unsigned long size)
{
}
// PR2461
__attribute__((noreturn)) void f(__attribute__((noreturn)) void (*x)(void)) {
x();
}
typedef void (*Fun)(void) __attribute__ ((noreturn(2))); // expected-error {{attribute takes no arguments}}