Fix: use AsPythonObjectNode when loading 'ob_type' of native object.

Author: fangerer

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/cext/PythonAbstractNativeObject.java

@@ -49,6 +49,7 @@
 import com.oracle.graal.python.builtins.PythonBuiltinClassType;
 import com.oracle.graal.python.builtins.objects.PNone;
 import com.oracle.graal.python.builtins.objects.PythonAbstractObject;
+import com.oracle.graal.python.builtins.objects.cext.CExtNodes.AsPythonObjectNode;
 import com.oracle.graal.python.builtins.objects.cext.CExtNodes.ImportCAPISymbolNode;
 import com.oracle.graal.python.builtins.objects.cext.CExtNodes.PCallCapiFunction;
 import com.oracle.graal.python.builtins.objects.cext.CExtNodes.ToJavaNode;
@@ -217,7 +218,7 @@ public static PythonAbstractClass getNativeClassCached(PythonAbstractNativeObjec
         @Specialization(replaces = {"getNativeClassCached", "getNativeClassCachedIdentity"})
         public static PythonAbstractClass getNativeClass(PythonAbstractNativeObject object,
                         @Exclusive @Cached PCallCapiFunction callGetObTypeNode,
-                        @Exclusive @Cached ToJavaNode toJavaNode) {
+                        @Exclusive @Cached AsPythonObjectNode toJavaNode) {
             // do not convert wrap 'object.object' since that is really the native pointer
             // object
             return (PythonAbstractClass) toJavaNode.execute(callGetObTypeNode.call(FUN_GET_OB_TYPE, object.getPtr()));
@@ -226,7 +227,7 @@ public static PythonAbstractClass getNativeClass(PythonAbstractNativeObject obje
         public static PythonAbstractClass getNativeClassUncached(PythonAbstractNativeObject object) {
             // do not convert wrap 'object.object' since that is really the native pointer
             // object
-            return getNativeClass(object, PCallCapiFunction.getUncached(), ToJavaNode.getUncached());
+            return getNativeClass(object, PCallCapiFunction.getUncached(), AsPythonObjectNode.getUncached().getUncached());
         }
     }