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// { dg-do compile }

// { dg-options "-O2 -fdump-tree-optimized" }

struct S { int *__restrict p; int q; };

S s;

int

f1 (S x, S y)

{

  x.p[0] = 1;

  y.p[0] = 0;

// { dg-final { scan-tree-dump-times "return 1" 1 "optimized" } }

  return x.p[0];

}

int

f2 (S x)

{

  x.p[0] = 2;

  s.p[0] = 0;

// { dg-final { scan-tree-dump-times "return 2" 1 "optimized" } }

  return x.p[0];

}

int

f3 (S &__restrict x, S &__restrict y)

{

  x.p[0] = 3;

  y.p[0] = 0;

// { dg-final { scan-tree-dump-times "return 3" 1 "optimized" } }

  return x.p[0];

}

int

f4 (S &x, S &y)

{

  x.p[0] = 4;

  y.p[0] = 0;

// { dg-final { scan-tree-dump-times "return 4" 0 "optimized" } }

  return x.p[0];

}

int

f5 (S *__restrict x, S *__restrict y)

{

  x->p[0] = 5;

  y->p[0] = 0;

// We might handle this some day

// { dg-final { scan-tree-dump-times "return 5" 1 "optimized" { xfail *-*-* } } }

  return x->p[0];

}

int

f6 (S *x, S *y)

{

  x->p[0] = 6;

  y->p[0] = 0;

// { dg-final { scan-tree-dump-times "return 6" 0 "optimized" } }

  return x->p[0];

}

// { dg-final { cleanup-tree-dump "optimized" } }