1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fno-crossjumping" } */
       3  /* { dg-require-effective-target alloca } */
       4  
       5  int bar1 ();
       6  int bar2 ();
       7  
       8  int foo (void)
       9  {
      10    int len;
      11    if (bar1 (&len))
      12      {
      13        char devpath [len];
      14        if (bar2 (devpath) == len)
      15          return len;
      16      }
      17    return -1;
      18  }