1  // { dg-do compile }
       2  // { dg-options "-O2 -fno-thread-jumps -fdump-tree-evrp" }
       3  
       4  void link_error ();
       5  
       6  void
       7  foo (double x, double y)
       8  {
       9    if (x > y && __builtin_signbit (y) == 0)
      10      {
      11        // y == +INF is impossible.
      12        if (__builtin_isinf (y))
      13          link_error ();
      14      }
      15  }
      16  
      17  // { dg-final { scan-tree-dump-not "link_error" "evrp" } }