Don't add global labels when a power symbol is connected.

Fixes https://gitlab.com/kicad/code/kicad/issues/7497

eeschema/sch_plugins/eagle/sch_eagle_plugin.cpp

@@ -1081,8 +1081,16 @@ void SCH_EAGLE_PLUGIN::loadSegments( wxXmlNode* aSegmentsNode, const wxString& n
             else if( nodeName == "pinref" )
             {
                 segmentAttribute->GetAttribute( "gate" ); // REQUIRED
-                segmentAttribute->GetAttribute( "part" ); // REQUIRED
-                segmentAttribute->GetAttribute( "pin" );  // REQUIRED
+                wxString part = segmentAttribute->GetAttribute( "part" ); // REQUIRED
+                wxString pin = segmentAttribute->GetAttribute( "pin" );  // REQUIRED
+
+                auto powerPort = m_powerPorts.find( "#" + part );
+
+                if( powerPort != m_powerPorts.end()
+                        && powerPort->second == EscapeString( pin, CTX_NETNAME ) )
+                {
+                    labelled = true;
+                }
             }
             else if( nodeName == "wire" )
             {
@@ -1460,6 +1468,9 @@ void SCH_EAGLE_PLUGIN::loadInstance( wxXmlNode* aInstanceNode )
     for( const LIB_PIN* pin : pins )
         m_connPoints[symbol->GetPinPhysicalPosition( pin )].emplace( pin );
 
+    if( part->IsPower() )
+        m_powerPorts[ reference ] = symbol->GetField( VALUE_FIELD )->GetText();
+
     symbol->ClearFlags();
 
     screen->Append( symbol.release() );

eeschema/sch_plugins/eagle/sch_eagle_plugin.h

@@ -234,6 +234,8 @@ private:
 
     std::map<wxString, int>           m_netCounts;
     std::map<int, SCH_LAYER_ID>       m_layerMap;
+    std::map<wxString, wxString>      m_powerPorts;        ///< map from symbol reference to global
+                                                           ///< label equivalent
 
     ///< Wire intersection points, used for quick checks whether placing a net label in a particular
     ///< place would short two nets.