1  /* { dg-do compile } */
       2  /* { dg-require-effective-target alloca } */
       3  /* { dg-options "-Walloca-larger-than=128 -O2" } */
       4  
       5  void f (void*);
       6  
       7  void g (unsigned int n)
       8  {
       9    if (n == 7)
      10      n = 11;
      11    f (__builtin_alloca (n)); /* { dg-warning "may be too large" } */
      12  }