modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/execute/ieee/fp-cmp-7.c (about)

     1  extern void link_error ();
     2  
     3  void foo(double x)
     4  {
     5    if (x > __builtin_inf())
     6      link_error ();
     7  }
     8  
     9  int main ()
    10  {
    11    foo (1.0);
    12    return 0;
    13  }
    14