gistfile1.txt

--- orig/gdal-2.1.3/ogr/ogrcompoundcurve.cpp    2017-01-20 09:20:48.000000000 +0100
+++ gdal-2.1.3/ogr/ogrcompoundcurve.cpp 2017-02-02 08:40:55.627891600 +0100
@@ -578,8 +578,17 @@
             fabs(end.getY() - start.getY()) > dfToleranceEps ||
             fabs(end.getZ() - start.getZ()) > dfToleranceEps )
         {
-            CPLError(CE_Failure, CPLE_AppDefined, "Non contiguous curves");
-            return OGRERR_FAILURE;
+            poCurve->EndPoint(&start);
+            if( fabs(end.getX() - start.getX()) > dfToleranceEps ||
+                fabs(end.getY() - start.getY()) > dfToleranceEps ||
+                fabs(end.getZ() - start.getZ()) > dfToleranceEps )
+            {
+                CPLError(CE_Failure, CPLE_AppDefined, "Non contiguous curves");
+                return OGRERR_FAILURE;
+            }
+
+            CPLDebug("GML", "reversing curve");
+            ((OGRSimpleCurve*)poCurve)->reversePoints();
         }
         ((OGRSimpleCurve*)poCurve)->setPoint(0, &end); /* patch so that it matches exactly */
     }
~