1  /* { dg-do compile } */
       2  /* { dg-options "-Wuninitialized -O2" } */
       3  /* { dg-message "warnings being treated as errors" "" {target "*-*-*"} 0 } */
       4  
       5  void foo (int);
       6  
       7  int
       8  main()
       9  {
      10    int a;
      11    int b;
      12    int c;
      13    int d;
      14  
      15  #pragma GCC diagnostic error "-Wuninitialized"
      16    foo(a);			/* { dg-error "uninitialized" } */
      17  #pragma GCC diagnostic push
      18  #pragma GCC diagnostic ignored "-Wuninitialized"
      19    foo(b);
      20  #pragma GCC diagnostic pop
      21    foo(c);			/* { dg-error "uninitialized" } */
      22  #pragma GCC diagnostic pop
      23    foo(d);			/* { dg-warning "uninitialized" } */
      24  }