Examples of errors detected by the V3014 diagnostic

V3014. It is likely that a wrong variable is being incremented inside the 'for' operator. Consider reviewing 'X'.

Microsoft Code Contracts

V3014 It is likely that a wrong variable is being incremented inside the 'for' operator. Consider reviewing 'i'. SparseArray.cs 1956

override public string ToString()
{
  StringBuilder str = new StringBuilder();

  for (int i = 0; i < data.Length; i++)
  {
    if (data[i] != null)
    {
      for (int j = 0; j < lastElement[i]; i++)  // <=
      {
        str.AppendFormat("({0},{1})", data[i][j].Index,
                                      data[i][j].Value);
      }
    }
  }

  return str.ToString();
}

Similar errors can be found in some other places:

• V3014 It is likely that a wrong variable is being incremented inside the 'for' operator. Consider reviewing 'k'. Writer.cs 3984
• V3014 It is likely that a wrong variable is being incremented inside the 'for' operator. Consider reviewing 'count_d'. Octagons.cs 509

.NET Core Libraries (CoreFX)

V3014 It is likely that a wrong variable is being incremented inside the 'for' operator. Consider reviewing 'i'. RegexCharClass.cs 1094

private void Canonicalize()
{
  ....
  for (i = 1, j = 0; ; i++)
  {
    for (last = _rangelist[j]._last; ; i++)
    {
      if (i == _rangelist.Count || last == LastChar)
      {
        done = true;
        break;
      }

      if ((CurrentRange = _rangelist[i])._first > last + 1)
        break;

      if (last < CurrentRange._last)
        last = CurrentRange._last;
    }

    _rangelist[j] = new SingleRange(_rangelist[j]._first, last);

    j++;

    if (done)
      break;

    if (j < i)
      _rangelist[j] = _rangelist[i];
  }
  _rangelist.RemoveRange(j, _rangelist.Count - j);
  ....
}

Entity Framework

V3014 It is likely that a wrong variable is being incremented inside the 'for' operator. Consider reviewing 'i'. EFCore ExpressionEqualityComparer.cs 214

var memberInitExpression = (MemberInitExpression)obj;
....
for (var i = 0; i < memberInitExpression.Bindings.Count; i++)
{
  var memberBinding = memberInitExpression.Bindings[i];
  ....
  switch (memberBinding.BindingType)
  {
    case ....
    case MemberBindingType.ListBinding:
      var memberListBinding = (MemberListBinding)memberBinding;
      for(var j=0;
              i < memberListBinding.Initializers.Count;     // <=
              i++)                                          // <=
      {
        hashCode += (hashCode * 397) ^
        GetHashCode(memberListBinding.Initializers[j].Arguments);
      }
      break;
    ....
   }
}