gcc/testsuite/gcc.dg/pr28796-2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -funsafe-math-optimizations -fno-finite-math-only" } */
   3
   4 extern void abort (void);
   5
   6 void foo(float f)
   7 {
   8   if (__builtin_isunordered (f, f) != 1)
   9     abort ();
  10   if (__builtin_isnan (f) != 1)
  11     abort ();
  12   if (__builtin_finite (f) != 0)
  13     abort ();
  14 }
  15
  16 int main()
  17 {
  18   float f = __builtin_nanf("");
  19   foo(f);
  20   return 0;
  21 }