resolve library warning

Author: timfel

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/PythonAbstractObject.java

@@ -2032,12 +2032,12 @@ public int identityHashCode(
             return Long.hashCode(objectLib.hash(this));
         } else {
             // everything in Python has an identity, but not everything provides a __hash__ method
-            return identityHashCode(this);
+            return systemHashCode(this);
         }
     }
 
     @TruffleBoundary
-    public static int identityHashCode(Object obj) {
+    public static int systemHashCode(Object obj) {
         return System.identityHashCode(obj);
     }
 

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/object/ObjectBuiltins.java

@@ -304,9 +304,9 @@ String repr(VirtualFrame frame, Object self,
             Object moduleName = readModuleNode.executeObject(frame, type);
             Object qualName = readQualNameNode.executeObject(frame, type);
             if (moduleName != PNone.NO_VALUE && !BuiltinNames.BUILTINS.equals(moduleName)) {
-                return strFormat("<%s.%s object at 0x%x>", moduleName, qualName, PythonAbstractObject.identityHashCode(self));
+                return strFormat("<%s.%s object at 0x%x>", moduleName, qualName, PythonAbstractObject.systemHashCode(self));
             }
-            return strFormat("<%s object at 0x%x>", qualName, PythonAbstractObject.identityHashCode(self));
+            return strFormat("<%s object at 0x%x>", qualName, PythonAbstractObject.systemHashCode(self));
         }
 
         @TruffleBoundary