gcc/testsuite/gcc.dg/pr59833.c

   1 /* { dg-do run { target { *-*-linux* *-*-gnu* } } } */
   2 /* { dg-options "-O0 -lm -fsignaling-nans" } */
   3 /* { dg-add-options ieee } */
   4 /* { dg-require-effective-target issignaling } */
   5
   6 #define _GNU_SOURCE
   7 #include <math.h>
   8
   9 int main (void)
  10 {
  11   float sNaN = __builtin_nansf ("");
  12   double x = (double) sNaN;
  13   if (issignaling(x))
  14   {
  15     __builtin_abort();
  16   }
  17
  18   return 0;
  19 }