/* { dg-do compile } */ | |
/* { dg-options "-O2 -fdelete-null-pointer-checks -fdump-tree-optimized" } */ | |
/* { dg-require-weak "" } */ | |
/* { dg-skip-if "" keeps_null_pointer_checks } */ | |
extern int a; | |
int | |
t() | |
{ | |
/* { dg-final { scan-tree-dump "&a != 0" "optimized" } } */ | |
return &a!=0; | |
} | |
extern int a __attribute__ ((weak)); |