1  /* PR tree-optimization/83198 */
       2  /* { dg-do compile { target __float128 } } */
       3  /* { dg-options "-O2 -fprintf-return-value -Wno-format -fdump-tree-optimized" } */
       4  /* { dg-add-options __float128 } */
       5  
       6  void bar (void);
       7  void link_error (void);
       8  
       9  void
      10  foo (char *x, double y)
      11  {
      12    /* The expected result should not be constant but rather that
      13       of the %f directive with an unknown argument, i.e., at least
      14       [3, 317] (but in reality [3, 322] when taking into account
      15       that the decimal point can be up to MB_LEN_MAX bytes long).  */
      16    int a = __builtin_sprintf (x, "%f", 1.0Q);
      17    if (a < 3)
      18      link_error ();
      19    if (a > 13)
      20      bar ();
      21    if (a > 322)
      22      link_error ();
      23  }
      24  
      25  /* Verify we don't optimize return value to [3, 13].  */
      26  /* { dg-final { scan-tree-dump-not "link_error \\(\\);" "optimized" } } */
      27  /* { dg-final { scan-tree-dump "bar \\(\\);" "optimized" } } */