1  
       2  /* { dg-do compile } */
       3  /* { dg-options "-Wuninitialized -O2" } */
       4  
       5  int g;
       6  void bar();
       7  void blah(int);
       8  
       9  int foo (int n, int l, int m, int r)
      10  {
      11    int v;
      12  
      13    if (n > 10)
      14      if (l)
      15        v = r;
      16  
      17    if (m) g++;
      18    else   bar();
      19  
      20    if ( (n > 10) && l)
      21        blah(v); /* { dg-bogus "uninitialized" "bogus warning" } */
      22  
      23    if (l)
      24      if (n > 12)
      25        blah(v); /* { dg-bogus "uninitialized" "bogus warning" } */
      26  
      27    return 0;
      28  }
      29  
      30  int foo_2 (int n, int l, int m, int r)
      31  {
      32    int v;
      33  
      34    if (n > 10)
      35      if (l)
      36        v = r;
      37  
      38    if (m) g++;
      39    else   bar();
      40  
      41    if (n > 8 )
      42      if (l)
      43        blah (v); /* { dg-warning "uninitialized" "warning" } */
      44  
      45    return 0;
      46  }