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/* PR target/12865 */

/* Origin: Waldek Hebisch <hebisch@math.uni.wroc.pl> */

/* { dg-do run } */

/* { dg-require-effective-target trampolines } */

/* { dg-options "-O2" } */

#ifndef NO_TRAMPOLINES

/* This used to fail on various versions of Solaris 2 because the

   trampoline couldn't be made executable.  */

extern void abort(void);

extern double fabs(double);

void foo (void)

{

  const int correct[1100] = {1, 0, -2, 0, 1, 0, 1, -1, -10, -30, -67};

  int i;

  double x1 (void) {return 1; }

  double x2 (void) {return -1;}

  double x3 (void) {return -1;}

  double x4 (void) {return 1; }

  double x5 (void) {return 0; }

  typedef double pfun(void);

  double a (int k, pfun x1, pfun x2, pfun x3, pfun x4, pfun x5)

  {

    double b (void)

    {

      k = k - 1;

      return a (k, b, x1, x2, x3, x4 );

    }

    if (k <= 0)

      return x4 () + x5 ();

    else

      return b ();

  }

  for (i=0; i<=10; i++)

  {

    if (fabs(a( i, x1, x2, x3, x4, x5 ) - correct [i]) > 0.1)

      abort();

  }

}

#endif

int main (void)

{

#ifndef NO_TRAMPOLINES

  foo ();

#endif

  return 0;

}