Changed all catch types to references for polymorphic exceptions.

src/Mod/PartDesign/App/FeaturePipe.cpp

@@ -492,7 +492,7 @@ void Pipe::buildPipePath(const Part::TopoShape& shape, const std::vector< std::s
                 throw Base::Exception("Spine is neither an edge nor a wire.");
             }
         }
-        catch (Standard_Failure) {
+        catch (Standard_Failure&) {
             throw Base::Exception("Invalid spine.");
         }
     }

src/Mod/PartDesign/App/FeaturePrimitive.cpp

@@ -80,7 +80,7 @@ TopoDS_Shape FeaturePrimitive::refineShapeIfActive(const TopoDS_Shape& oldShape)
             TopoDS_Shape resShape = mkRefine.Shape();
             return resShape;
         }
-        catch (Standard_Failure) {
+        catch (Standard_Failure&) {
             return oldShape;
         }
     }

src/Mod/PartDesign/App/FeatureSketchBased.cpp

@@ -757,7 +757,7 @@ void ProfileBased::remapSupportShape(const TopoDS_Shape& newShape)
                 try {
                     element = shape.getSubShape(it->c_str());
                 }
-                catch (Standard_Failure) {
+                catch (Standard_Failure&) {
                     // This shape doesn't even exist, so no chance to do some tests
                     newSubValues.push_back(*it);
                     continue;
@@ -770,7 +770,7 @@ void ProfileBased::remapSupportShape(const TopoDS_Shape& newShape)
                         success = true;
                     }
                 }
-                catch (Standard_Failure) {
+                catch (Standard_Failure&) {
                 }
                 // try an exact matching
                 if (!success) {
@@ -1051,7 +1051,7 @@ TopoDS_Shape ProfileBased::refineShapeIfActive(const TopoDS_Shape& oldShape) con
             TopoDS_Shape resShape = mkRefine.Shape();
             return resShape;
         }
-        catch (Standard_Failure) {
+        catch (Standard_Failure&) {
             return oldShape;
         }
     }

src/Mod/PartDesign/App/FeatureTransformed.cpp

@@ -401,7 +401,7 @@ TopoDS_Shape Transformed::refineShapeIfActive(const TopoDS_Shape& oldShape) cons
             TopoDS_Shape resShape = mkRefine.Shape();
             return resShape;
         }
-        catch (Standard_Failure) {
+        catch (Standard_Failure&) {
             return oldShape;
         }
     }

src/Mod/PartDesign/Gui/ReferenceSelection.cpp

@@ -105,7 +105,7 @@ bool ReferenceSelection::allow(App::Document* pDoc, App::DocumentObject* pObj, c
                         return true;
                     }
                 }
-            } catch (const Base::Exception)
+            } catch (const Base::Exception&)
             { }
         }
         return false; // The Plane/Axis doesn't fits our needs