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/* { dg-do compile } */

/* { dg-options "-O1 -fno-trapping-math -fdump-tree-optimized" } */

extern void f(int);

extern void link_error ();

extern float x;

extern double y;

extern long double z;

int

main ()

{

  double nan = __builtin_nan ("");

  float nanf = __builtin_nanf ("");

  long double nanl = __builtin_nanl ("");

  double pinf = __builtin_inf ();

  float pinff = __builtin_inff ();

  long double pinfl = __builtin_infl ();

  if (__builtin_finite (pinf))

    link_error ();

  if (__builtin_finitef (pinff))

    link_error ();

  if (__builtin_finitel (pinfl))

    link_error ();

  if (__builtin_finite (nan))

    link_error ();

  if (__builtin_finitef (nanf))

    link_error ();

  if (__builtin_finitel (nanl))

    link_error ();

  if (!__builtin_finite (4.0))

    link_error ();

  if (!__builtin_finitef (4.0))

    link_error ();

  if (!__builtin_finitel (4.0))

    link_error ();

}

/* Check that all instances of link_error were subject to DCE.  */

/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized" } } */

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