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-rw-r--r--src/pathfinder/follow_track.hpp8
-rw-r--r--src/train_cmd.cpp2
2 files changed, 7 insertions, 3 deletions
diff --git a/src/pathfinder/follow_track.hpp b/src/pathfinder/follow_track.hpp
index 70f148de3..0aec3951e 100644
--- a/src/pathfinder/follow_track.hpp
+++ b/src/pathfinder/follow_track.hpp
@@ -124,8 +124,12 @@ struct CFollowTrackT
m_old_tile = old_tile;
m_old_td = old_td;
m_err = EC_NONE;
- assert(((TrackStatusToTrackdirBits(GetTileTrackStatus(m_old_tile, TT(), IsRoadTT() ? RoadVehicle::From(m_veh)->compatible_roadtypes : 0)) & TrackdirToTrackdirBits(m_old_td)) != 0) ||
- (IsTram() && GetSingleTramBit(m_old_tile) != INVALID_DIAGDIR)); // Disable the assertion for single tram bits
+ assert(
+ ((TrackStatusToTrackdirBits(
+ GetTileTrackStatus(m_old_tile, TT(), (IsRoadTT() && m_veh != NULL) ? RoadVehicle::From(m_veh)->compatible_roadtypes : 0)
+ ) & TrackdirToTrackdirBits(m_old_td)) != 0) ||
+ (IsTram() && GetSingleTramBit(m_old_tile) != INVALID_DIAGDIR) // Disable the assertion for single tram bits
+ );
m_exitdir = TrackdirToExitdir(m_old_td);
if (ForcedReverse()) return true;
if (!CanExitOldTile()) return false;
diff --git a/src/train_cmd.cpp b/src/train_cmd.cpp
index b1eeab1bd..0672ac209 100644
--- a/src/train_cmd.cpp
+++ b/src/train_cmd.cpp
@@ -874,7 +874,7 @@ static void RemoveFromConsist(Train *part, bool chain = false)
static void InsertInConsist(Train *dst, Train *chain)
{
/* We do not want to add something in the middle of an articulated part. */
- assert(dst->Next() == NULL || !dst->Next()->IsArticulatedPart());
+ assert(dst != NULL && (dst->Next() == NULL || !dst->Next()->IsArticulatedPart()));
chain->Last()->SetNext(dst->Next());
dst->SetNext(chain);