/* PR c/48778 */ | |
/* { dg-do compile } */ | |
/* { dg-options "-Waddress" } */ | |
#define NULL ((void *) 0) | |
#define M1(b) ((b) != NULL ? 0 : (b)) | |
#define M2(b) ((b) == NULL ? 0 : (b)) | |
#define M3(b) (NULL != (b) ? 0 : (b)) | |
#define M4(b) (NULL == (b) ? 0 : (b)) | |
int | |
func (int b) | |
{ | |
if (M1 (&b) > 0) | |
return 1; | |
if (M2 (&b) > 0) | |
return 2; | |
if (M3 (&b) > 0) | |
return 3; | |
if (M4 (&b) > 0) | |
return 4; | |
return 0; | |
} |