Merge pull request #42776 from kpedro88/HandleEmptyColl_132X

check for empty collection in SiStripApproximateClusterCollection [13_2_X]
cms-sw · Sep 13, 2023 · ae532ef · ae532ef
2 parents 87dd7f8 + f3bd210
commit ae532ef
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/DataFormats/SiStripCluster/interface/SiStripApproximateClusterCollection.h b/DataFormats/SiStripCluster/interface/SiStripApproximateClusterCollection.h
@@ -90,7 +90,7 @@ class SiStripApproximateClusterCollection {
   void reserve(std::size_t dets, std::size_t clusters);
   Filler beginDet(unsigned int detId);
 
-  const_iterator begin() const { return const_iterator(this); }
+  const_iterator begin() const { return clusters_.empty() ? end() : const_iterator(this); }
   const_iterator cbegin() const { return begin(); }
   const_iterator end() const { return const_iterator(); }
   const_iterator cend() const { return end(); }