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closes https://github.com/assimp/assimp/issues/2809: fix crash for special ifc file.

pull/2814/head
Kim Kulling 2019-12-08 10:12:14 +01:00
parent fbebeba2b0
commit e3da92f7d3
1 changed files with 3 additions and 2 deletions
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5
code/Importer/IFC/IFCGeometry.cpp
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@ -138,8 +138,9 @@ void ProcessPolygonBoundaries(TempMesh& result, const TempMesh& inmesh, size_t m
}
}
}
ai_assert(outer_polygon_it != end);
if (outer_polygon_it == end) {
return;
}
const size_t outer_polygon_size = *outer_polygon_it;
const IfcVector3& master_normal = normals[std::distance(begin, outer_polygon_it)];