From ba527ec56ef572637fa3464ad89c05162bbf6624 Mon Sep 17 00:00:00 2001
From: frosch <frosch@openttd.org>
Date: Wed, 4 Aug 2010 06:27:20 +0000
Subject: [PATCH] (svn r20357) -Fix (r20356): Call GetAllRoadBits() only if
 there is road.

---
 src/station_cmd.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/station_cmd.cpp b/src/station_cmd.cpp
index ab4553715f..d99f771192 100644
--- a/src/station_cmd.cpp
+++ b/src/station_cmd.cpp
@@ -862,7 +862,7 @@ static CommandCost CheckFlatLandRoadStop(TileArea tile_area, DoCommandFlag flags
 		} else {
 			bool build_over_road = is_drive_through && IsNormalRoadTile(cur_tile);
 			/* Road bits in the wrong direction. */
-			RoadBits rb = GetAllRoadBits(cur_tile);
+			RoadBits rb = IsNormalRoadTile(cur_tile) ? GetAllRoadBits(cur_tile) : ROAD_NONE;
 			if (build_over_road && (rb & (axis == AXIS_X ? ROAD_Y : ROAD_X)) != 0) {
 				/* Someone was pedantic and *NEEDED* three fracking different error messages. */
 				switch (CountBits(rb)) {