1  /* { dg-do compile } */
       2  /* { dg-options "-Wuninitialized -O2" } */
       3  
       4  int g;
       5  void bar (void);
       6  void blah (int);
       7  
       8  int foo (int n, int m, int r)
       9  {
      10    int flag = 0;
      11    int v; 
      12  
      13    if (n)
      14      {
      15        v = r;
      16        flag = 1;
      17      }
      18  
      19    if (m)
      20      g++;
      21    else 
      22      bar();
      23  
      24    /* Wrong guard */
      25    if (!flag)
      26      blah(v); /* { dg-warning "uninitialized" "real uninitialized var warning" } */
      27  
      28    return 0;
      29  }