/* { dg-require-effective-target vect_int } */#include <stdarg.h>#include "tree-vect.h"#define N 16 int main1 (){    union {    char a[N] __attribute__ ((__aligned__(16)));    char b[N] __attribute__ ((__aligned__(16)));  } s;  int i;  /* Initialization.  */  for (i = 0; i < N; i++)    {      s.b[i] = 3*i;    }  /* Can't vectorize - dependence analysis fails cause s.a and s.b may     overlap.  */  for (i = 0; i < N; i++)    {      s.a[i] = s.b[i] + 1;    }  /* check results:  */  for (i = 0; i < N; i++)    {      if (s.a[i] != 3*i + 1)	abort ();    }  return 0;}int main (void){   check_vect ();    return main1 ();} /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail *-*-* } } } *//* { dg-final { scan-tree-dump-times "can't determine dependence between" 1 "vect" } } *//* { dg-final { cleanup-tree-dump "vect" } } */