1  /* { dg-do compile } */
       2  /* { dg-options "-O -fstrict-aliasing -fno-tree-sra -fdump-tree-fre1-details" } */
       3  
       4  /* Should be optimized, propagating &a into (*p)[i].  */
       5  
       6  /* For this testcase we need TBAA to work.  */
       7  
       8  struct Foo
       9  {
      10    void *data;
      11    int size;
      12  };
      13  void foo(double (*q)[4], struct Foo *tmp1)
      14  {
      15    double a[4];
      16    int i;
      17    tmp1->data = &a;
      18    tmp1->size = 4;
      19    for (i=0; i<4; ++i)
      20      {
      21        double (*p)[4] = tmp1->data;
      22        (*p)[i] = (*q)[i];
      23      }
      24  }
      25  
      26  /* { dg-final { scan-tree-dump "Replaced tmp1_.\\\(D\\\)->data with &a" "fre1" } } */