Примеры ошибок, обнаруженных с помощью диагностики V791

V791. The initial value of the index in the nested loop equals 'i'. Consider using 'i + 1' instead.

LLVM/Clang

V791 The initial value of the index in the nested loop equals 'I'. Perhaps, 'I + 1' should be used instead. LoopUnrollAndJam.cpp 793

static bool checkDependencies(....){
  ....
  for (size_t I = 0; I < NumInsts; ++I) {
    for (size_t J = I; J < NumInsts; ++J) {
      if (!checkDependency(CurrentLoadsAndStores[I],
                           CurrentLoadsAndStores[J],
                           LoopDepth, CurLoopDepth, true, DI))
      return false;
      ....
  }
  ....
}
static bool checkDependency(Instruction *Src,
                            Instruction *Dst,
                            ....) {
  if (Src == Dst)
    return true;
  ....
}

Overgrowth

V791 The initial value of the index in the nested loop equals 'i'. Perhaps, 'i + 1' should be used instead. navmeshhintobject.cpp 65

NavmeshHintObject::NavmeshHintObject()
{
  ....
  for( int i = 0; i < 8; i++ )
  {
    for( int k = i; k < 8; k++ )
    {
      if( i != k )
      {
        if(
            corners[i][0] == corners[k][0] ||
            corners[i][1] == corners[k][1] ||
            corners[i][2] == corners[k][2]
          )
          {
            cross_marking.push_back(corners[i]);
            cross_marking.push_back(corners[k]);
          }
      }
    }
  }
  ....
}