1  /* { dg-do compile } */
       2  /* { dg-require-effective-target inf } */
       3  /* { dg-options "-O1 -fno-trapping-math -fno-finite-math-only -fdump-tree-optimized" } */
       4    
       5  extern void f(int);
       6  extern void link_error ();
       7  
       8  extern float x;
       9  extern double y;
      10  extern long double z;
      11  
      12  int
      13  main ()
      14  {
      15    double nan = __builtin_nan ("");
      16    float nanf = __builtin_nanf ("");
      17    long double nanl = __builtin_nanl ("");
      18  
      19    double pinf = __builtin_inf ();
      20    float pinff = __builtin_inff ();
      21    long double pinfl = __builtin_infl ();
      22  
      23    if (__builtin_finite (pinf))
      24      link_error ();
      25    if (__builtin_finitef (pinff))
      26      link_error ();
      27    if (__builtin_finitel (pinfl))
      28      link_error ();
      29  
      30    if (__builtin_finite (nan))
      31      link_error ();
      32    if (__builtin_finitef (nanf))
      33      link_error ();
      34    if (__builtin_finitel (nanl))
      35      link_error ();
      36  
      37    if (!__builtin_finite (4.0))
      38      link_error ();
      39    if (!__builtin_finitef (4.0))
      40      link_error ();
      41    if (!__builtin_finitel (4.0))
      42      link_error ();
      43  }
      44  
      45  
      46  /* Check that all instances of link_error were subject to DCE.  */
      47  /* { dg-final { scan-tree-dump-times "link_error" 0 "optimized" } } */