gcc/gcc/testsuite/gcc.dg/tree-ssa/alias-33.c

20 lines
356 B
C

/* { dg-do run } */
/* { dg-options "-O -fdump-tree-fre1-details" } */
int j;
int main ()
{
int i = 1;
int **p;
j = 0;
p = __builtin_malloc (sizeof (int *));
*p = &i;
p = __builtin_realloc (p, 2 * sizeof (int *));
**p = 0;
if (i != 0)
__builtin_abort ();
return j;
}
/* { dg-final { scan-tree-dump "Replaced j with 0" "fre1" } } */