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/* { dg-do compile } */

/* { dg-options "-O -fstrict-aliasing -fno-tree-sra -fdump-tree-fre-details" } */

/* Should be optimized, propagating &a into (*p)[i].  */

/* For this testcase we need TBAA to work.  */

struct Foo

{

  void *data;

  int size;

};

void foo(double (*q)[4], struct Foo *tmp1)

{

  double a[4];

  int i;

  tmp1->data = &a;

  tmp1->size = 4;

  for (i=0; i<4; ++i)

    {

      double (*p)[4] = tmp1->data;

      (*p)[i] = (*q)[i];

    }

}

/* { dg-final { scan-tree-dump "Inserted .* &a" "fre" } } */

/* { dg-final { scan-tree-dump "Replaced tmp1_.\\\(D\\\)->data" "fre" } } */

/* { dg-final { cleanup-tree-dump "fre" } } */