1  /* PR tree-optimization/88775 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2 -fdump-tree-optimized" } */
       4  /* These can't be decided until we know how the variables will
       5     be laid out in memory.  */
       6  /* { dg-final { scan-tree-dump-not "return 1;" "optimized" } } */
       7  
       8  int a[64] = {};
       9  int b[64] = {};
      10  int e[0] = {};
      11  int f[0] = {};
      12  
      13  int
      14  f1 (void)
      15  {
      16    return (__UINTPTR_TYPE__) &a[0] != (__UINTPTR_TYPE__) &b[64];
      17  }
      18  
      19  int
      20  f2 (void)
      21  {
      22    return (__UINTPTR_TYPE__) &a[64] != (__UINTPTR_TYPE__) &b[0];
      23  }
      24  
      25  int
      26  f3 (void)
      27  {
      28    return (__UINTPTR_TYPE__) &e[0] != (__UINTPTR_TYPE__) &f[0];
      29  }
      30  
      31  int
      32  f4 (void)
      33  {
      34    int c[64] = {}, d[64] = {};
      35    return (__UINTPTR_TYPE__) &c[0] != (__UINTPTR_TYPE__) &d[64];
      36  }
      37  
      38  int
      39  f5 (void)
      40  {
      41    int c[64] = {}, d[64] = {};
      42    return (__UINTPTR_TYPE__) &c[64] != (__UINTPTR_TYPE__) &d[0];
      43  }
      44  
      45  /* { dg-prune-output "-Wreturn-local-addr" } */