* catch an exception by references, otherwise g++ issues warning

in version 9 [rtj]
JeffersonLab · Sep 9, 2021 · e66fb38 · e66fb38
1 parent da0f2e2
commit e66fb38
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/AdaptiveSampler.cc b/src/AdaptiveSampler.cc
@@ -748,7 +748,7 @@ int AdaptiveSampler::mergeState(const std::string filename)
       fMaximum_cells = keyval.at("fMaximum_cells");
       fEfficiency_target = keyval.at("fEfficiency_target");
    }
-   catch (std::exception e) {
+   catch (std::exception &e) {
       std::cerr << "AdaptiveSampler::mergeState warning - "
                 << "required keyword missing in " << filename
                 << std::endl;

diff --git a/src/GlueXSteppingAction.cc b/src/GlueXSteppingAction.cc
@@ -219,7 +219,7 @@ void GlueXSteppingAction::UserSteppingAction(const G4Step* step)
       try {
          proftree = bgprofiles.at(det);
       }
-      catch(std::out_of_range err) {
+      catch(std::out_of_range &err) {
          std::stringstream names;
          names << "det" << det;
          std::stringstream titles;