Debugging changes

Simulation/ISF/ISF_Fatras/ISF_FatrasToolsG4/src/G4ParticleDecayHelper.cxx

@@ -239,17 +239,23 @@ void iFatras::G4ParticleDecayHelper::handleDecayParticles(const ISF::ISFParticle
         decayProduct->setNextGeoID( particle.nextGeoID() );
       }//loop over all decay products
 
-      // register TruthIncident
-      ISF::ISFTruthIncident truth( const_cast<ISF::ISFParticle&>(particle),
-                                   decayProducts,
-                                   process,
-                                   particle.nextGeoID(),  // inherits from the parent
-                                   ISF::fKillsPrimary );
-      m_truthRecordSvc->registerTruthIncident( truth);
-      // At this point we need to update the properties of the
-      // ISFParticles produced in the interaction
-      truth.updateChildParticleProperties();
-
+      auto* truthBinding     = particle.getTruthBinding(); // TEMPORARY
+      HepMC::ConstGenParticlePtr hepTruthParticle = truthBinding ? truthBinding->getTruthParticle() : nullptr; // TEMPORARY
+      if (hepTruthParticle && hepTruthParticle->end_vertex()) { // TEMPORARY
+        ATH_MSG_WARNING("G4ParticleDecayHelper::handleDecayParticles(): Parent particle found with an end vertex attached.  This should not happen!");
+      }
+      else {
+        // register TruthIncident
+        ISF::ISFTruthIncident truth( const_cast<ISF::ISFParticle&>(particle),
+                                     decayProducts,
+                                     process,
+                                     particle.nextGeoID(),  // inherits from the parent
+                                     ISF::fKillsPrimary );
+        m_truthRecordSvc->registerTruthIncident( truth);
+        // At this point we need to update the properties of the
+        // ISFParticles produced in the interaction
+        truth.updateChildParticleProperties();
+      }
       // simulate the tracks of the daughter particles ------- run over decay products
       for (ISF::ISFParticle *decayProduct : decayProducts) {
         // feed it the particle broker with parent information