1  /* { dg-require-effective-target alloca } */
       2  
       3  int test_1 (void)
       4  {
       5    int *p = __builtin_alloca (sizeof (int)); /* { dg-message "region created on stack here" } */
       6    return *p; /* { dg-warning "use of uninitialized value '\\*p'" } */
       7  }