High level objects history implementation for BuildPlugin features.

[modules/shaper.git] / src / GeomAlgoAPI / GeomAlgoAPI_UnifySameDomain.cpp

diff --git a/src/GeomAlgoAPI/GeomAlgoAPI_UnifySameDomain.cpp b/src/GeomAlgoAPI/GeomAlgoAPI_UnifySameDomain.cpp
index ee9c6fecac07a7e1f67ee24b67edc6119ebdb8bf..795a0fac19512a83a9fa9597b84b26200da83bfd 100644 (file)
--- a/src/GeomAlgoAPI/GeomAlgoAPI_UnifySameDomain.cpp
+++ b/src/GeomAlgoAPI/GeomAlgoAPI_UnifySameDomain.cpp
@@ -113,6 +113,8 @@ void GeomAlgoAPI_UnifySameDomain::modified(const std::shared_ptr<GeomAPI_Shape>
   const ShapeUpgrade_UnifySameDomain& aUnifyAlgo = this->impl<ShapeUpgrade_UnifySameDomain>();
 
   for (int aIsModified = 0; aIsModified <= 1; aIsModified++) {
+    if (!aUnifyAlgo.History()->IsSupportedType(aShape)) // to avoid crash in BRepTools_History
+      continue;
     const TopTools_ListOfShape& aMList = aIsModified ?
       aUnifyAlgo.History()->Modified(aShape) : aUnifyAlgo.History()->Generated(aShape);
     for (TopTools_ListIteratorOfListOfShape aModified(aMList); aModified.More(); aModified.Next()) {