GCC fixes

common/libeval/numeric_evaluator.cpp

@@ -336,6 +336,7 @@ NUMERIC_EVALUATOR::Token NUMERIC_EVALUATOR::getToken()
             case Unit::Mil:  retval.value.dValue = 25.4 / 1000.0; break;
             case Unit::MM:   retval.value.dValue = 1.0;           break;
             case Unit::CM:   retval.value.dValue = 10.0;          break;
+            default:
             case Unit::Invalid:                                   break;
             }
         }
@@ -347,6 +348,7 @@ NUMERIC_EVALUATOR::Token NUMERIC_EVALUATOR::getToken()
             case Unit::Mil:  retval.value.dValue = 1.0 / 1000.0; break;
             case Unit::MM:   retval.value.dValue = 1.0 / 25.4;   break;
             case Unit::CM:   retval.value.dValue = 1.0 / 2.54;   break;
+            default:
             case Unit::Invalid:                                  break;
             }
         }
@@ -358,6 +360,7 @@ NUMERIC_EVALUATOR::Token NUMERIC_EVALUATOR::getToken()
             case Unit::Mil:  retval.value.dValue = 1.0;           break;
             case Unit::MM:   retval.value.dValue = 1000.0 / 25.4; break;
             case Unit::CM:   retval.value.dValue = 1000.0 / 2.54; break;
+            default:
             case Unit::Invalid:                                   break;
             }
         }

common/properties/pg_editors.cpp

@@ -70,7 +70,7 @@ wxPGWindowList PG_UNIT_EDITOR::CreateControls( wxPropertyGrid* aPropGrid, wxPGPr
 
     if( PGPROPERTY_DISTANCE* prop = dynamic_cast<PGPROPERTY_DISTANCE*>( aProperty ) )
         m_unitBinder->SetCoordType( prop->CoordType() );
-    else if( PGPROPERTY_ANGLE* prop = dynamic_cast<PGPROPERTY_ANGLE*>( aProperty ) )
+    else if( dynamic_cast<PGPROPERTY_ANGLE*>( aProperty ) )
         m_unitBinder->SetUnits( EDA_UNITS::DEGREES );
 
     return ret;

common/widgets/unit_binder.cpp

@@ -58,9 +58,9 @@ UNIT_BINDER::UNIT_BINDER( EDA_BASE_FRAME* aParent, const EDA_IU_SCALE& aIUScale,
         m_dataType( EDA_DATA_TYPE::DISTANCE ),
         m_precision( 0 ),
         m_eval( aParent->GetUserUnits() ),
+        m_unitsInValue( false ),
         m_originTransforms( aParent->GetOriginTransforms() ),
-        m_coordType( ORIGIN_TRANSFORMS::NOT_A_COORD ),
-        m_unitsInValue( false )
+        m_coordType( ORIGIN_TRANSFORMS::NOT_A_COORD )
 {
     init();
     m_allowEval = allowEval && ( !m_valueCtrl || dynamic_cast<wxTextEntry*>( m_valueCtrl ) );

pcbnew/zone.cpp

@@ -1392,6 +1392,8 @@ static struct ZONE_DESC
                 {
                     if( ZONE* zone = dynamic_cast<ZONE*>( aItem ) )
                         return !zone->GetIsRuleArea() && IsCopperLayer( zone->GetFirstLayer() );
+
+                    return false;
                 };
         
         auto layer = new PROPERTY_ENUM<ZONE, PCB_LAYER_ID>( _HKI( "Layer" ),