**Impacted versions:** 8.0

**Steps to reproduce:**
To reproduce it is necessary the fifo configuration in the assignation of quants in moves.

- Create a sale order with two lines of the same product, one of that line with a route that generate moves between warehouse.

<img width="1231" alt="skitch 65" src="https://cloud.githubusercontent.com/assets/11341058/24102907/d575a638-0d53-11e7-922e-a3f034d43e94.png">

The route used has three pull rules:

1. From Stock Warehouse_1 to Virtual Locations/Inter Company Transit
2. From Virtual Locations/Inter Company Transit to Stock Warehouse_2
3. From Stock Warehouse_2 to Customers

<img width="1224" alt="skitch 66" src="https://cloud.githubusercontent.com/assets/11341058/24103147/b7c2bfbc-0d54-11e7-955c-87247a10e0bd.png">

- Confirm the sale order. It must be created three pickings:

<img width="1226" alt="skitch 67" src="https://cloud.githubusercontent.com/assets/11341058/24103498/d90c9b38-0d55-11e7-97ff-f986df8cdd9b.png">

- Transfer first two pickings.

<img width="1230" alt="skitch 70" src="https://cloud.githubusercontent.com/assets/11341058/24104496/b7b0be8a-0d58-11e7-89a2-4331fceec1d8.png">

- Before transfer third picking, review that one move has reserved the quant correctly because was reserved from the previous pickings.

<img width="1215" alt="skitch 68" src="https://cloud.githubusercontent.com/assets/11341058/24103908/23952cc8-0d57-11e7-9346-bd48d7edb54a.png">

**Current behavior:**

When check availability of this third picking, the quant already reserved is moved to the other move.

<img width="1264" alt="skitch 69" src="https://cloud.githubusercontent.com/assets/11341058/24104056/8be11616-0d57-11e7-8763-a90507315b19.png">
 
**Expected behavior:**

When check availability of this third picking, the moves already reserved must not be altered.


push_obj = self.pool.get("stock.location.path")
        for move in moves:
            
            
            
            if not move.move_dest_id and not move.origin_returned_move_id:
                domain = [('location_from_id', '=', move.location_dest_id.id)]
                
                route_ids = [x.id for x in move.product_id.route_ids + move.product_id.categ_id.total_route_ids]
                rules = push_obj.search(cr, uid, domain + [('route_id', 'in', route_ids)], order='route_sequence, sequence', context=context)
                if not rules:
                    
                    wh_route_ids = []
                    if move.warehouse_id:
                        wh_route_ids = [x.id for x in move.warehouse_id.route_ids]
                    elif move.picking_type_id and move.picking_type_id.warehouse_id:
                        wh_route_ids = [x.id for x in move.picking_type_id.warehouse_id.route_ids]
                    if wh_route_ids:
                        rules = push_obj.search(cr, uid, domain + [('route_id', 'in', wh_route_ids)], order='route_sequence, sequence', context=context)
                    if not rules:
                        
                        rules = push_obj.search(cr, uid, domain + [('route_id', '=', False)], order='sequence', context=context)
                if rules:
                    rule = push_obj.browse(cr, uid, rules[0], context=context)
                    push_obj._apply(cr, uid, rule, move, context=context)
        return True
    def _create_procurement(self, cr, uid, move, context=None):