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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" } } */