private boolean divideExpressionIsPointless(PsiExpression[] expressions) {
      PsiExpression previousExpression = null;
      for (int i = 0; i < expressions.length; i++) {
        final PsiExpression expression = expressions[i];
        if (previousExpression != null &&
            (isOne(expression) || i == 1 && areExpressionsIdenticalWithoutSideEffects(previousExpression, expression) && !isZero(expression))) {
          return true;
        }
        previousExpression = expression;
      }
      return false;
    }
private boolean divideExpressionIsPointless(PsiExpression[] expressions)