Fix compiler warnings:

fix [-Winconsistent-missing-override]
fix [-Wunused-lambda-capture]
fix [-Wunused-variable]
fix [-Wswitch]

src/Mod/Assembly/App/AssemblyObject.cpp

@@ -624,7 +624,7 @@ void AssemblyObject::removeUnconnectedJoints(std::vector<App::DocumentObject*>&
         std::remove_if(
             joints.begin(),
             joints.end(),
-            [&connectedParts, this](App::DocumentObject* joint) {
+            [&connectedParts](App::DocumentObject* joint) {
                 App::DocumentObject* obj1 = getLinkObjFromProp(joint, "Part1");
                 App::DocumentObject* obj2 = getLinkObjFromProp(joint, "Part2");
                 if ((connectedParts.find(obj1) == connectedParts.end())
@@ -1073,8 +1073,6 @@ std::string AssemblyObject::handleOneSideOfJoint(App::DocumentObject* joint,
     App::DocumentObject* obj = getObjFromNameProp(joint, propObjName, propPartName);
 
     std::shared_ptr<ASMTPart> mbdPart = getMbDPart(part);
-    Base::Placement partPlc = getPlacementFromProp(part, "Placement");
-    Base::Placement objPlc = getPlacementFromProp(obj, "Placement");
     Base::Placement plc = getPlacementFromProp(joint, propPlcName);
     // Now we have plc which is the JCS placement, but its relative to the Object, not to the
     // containing Part.

src/Mod/Part/App/FeaturePartSection.h

@@ -44,9 +44,11 @@ public:
     //@{
     /// recalculate the Feature
     short mustExecute() const override;
+
 protected:
-    BRepAlgoAPI_BooleanOperation* makeOperation(const TopoDS_Shape&, const TopoDS_Shape&) const override;
-    virtual const char *opCode() const;
+    BRepAlgoAPI_BooleanOperation* makeOperation(const TopoDS_Shape&,
+                                                const TopoDS_Shape&) const override;
+    const char *opCode() const override;
     //@}
 };
 

src/Mod/Part/App/PartFeatures.h

@@ -86,7 +86,7 @@ public:
     const char* getViewProviderName() const override {
         return "PartGui::ViewProviderLoft";
     }
-    void setupObject();
+    void setupObject() override;
     //@}
 
 protected:
@@ -118,7 +118,7 @@ public:
     const char* getViewProviderName() const override {
         return "PartGui::ViewProviderSweep";
     }
-    void setupObject();
+    void setupObject() override;
     //@}
 
 protected:

src/Mod/Sketcher/Gui/CommandConstraints.cpp

@@ -1893,8 +1893,6 @@ protected:
     void makeCts_1Point1Circle(bool& selAllowed, Base::Vector2d onSketchPos)
     {
         //Distance
-        const Part::Geometry* geom = Obj->getGeometry(selCircleArc[0].GeoId);
-
         if (availableConstraint == AvailableConstraint::FIRST) {
             restartCommand(QT_TRANSLATE_NOOP("Command", "Add length constraint"));
             createDistanceConstrain(selPoints[0].GeoId, selPoints[0].PosId, selCircleArc[0].GeoId, selCircleArc[0].PosId, onSketchPos);
@@ -1986,8 +1984,6 @@ protected:
     void makeCts_1Line1Circle(bool& selAllowed, Base::Vector2d onSketchPos)
     {
         //Distance
-        const Part::Geometry* geom = Obj->getGeometry(selCircleArc[0].GeoId);
-
         if (availableConstraint == AvailableConstraint::FIRST) {
             restartCommand(QT_TRANSLATE_NOOP("Command", "Add length constraint"));
             createDistanceConstrain(selCircleArc[0].GeoId, selCircleArc[0].PosId, selLine[0].GeoId, selLine[0].PosId, onSketchPos); //Line second parameter

src/Mod/Sketcher/Gui/ViewProviderSketch.cpp

@@ -1207,6 +1207,8 @@ bool ViewProviderSketch::mouseButtonPressed(int Button, bool pressed, const SbVe
                         Mode = STATUS_SELECT_Constraint;
                     }
                 }
+                default:
+                    break;
             }
         }
         else if (!pressed) {