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/* { dg-do compile } */

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

typedef struct {

  double min;

  double max;

} interval;

inline interval add(interval x, interval y)  __attribute__((always_inline));

inline interval add(interval x, interval y)

{

  interval r;

  r.min = x.min + y.min;

  r.max = x.max + y.max;

  return r;

}

interval foo (interval a, interval b, interval c)

{

  return add (a, add (b, c));

}

/* { dg-final { scan-tree-dump-times "\\(struct interval\\)" 0 "optimized"} } */

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