Add missing 'insert'.

Author: fangerer

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

@@ -1472,8 +1472,8 @@ public Object execute(Object self) {
                 CompilerDirectives.transferToInterpreterAndInvalidate();
                 func = importCAPISymbol(NativeCAPISymbols.FUN_PY_OBJECT_GENERIC_GET_DICT);
                 exec = insert(Message.EXECUTE.createNode());
-                toSulong = ToSulongNode.create();
-                toJava = ToJavaNode.create();
+                toSulong = insert(ToSulongNode.create());
+                toJava = insert(ToJavaNode.create());
             }
             try {
                 return toJava.execute(ForeignAccess.sendExecute(exec, func, toSulong.execute(self)));

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

@@ -93,7 +93,6 @@
 import com.oracle.truffle.api.dsl.NodeFactory;
 import com.oracle.truffle.api.dsl.Specialization;
 import com.oracle.truffle.api.frame.VirtualFrame;
-import com.oracle.truffle.api.nodes.Node;
 import com.oracle.truffle.api.nodes.UnexpectedResultException;
 import com.oracle.truffle.api.profiles.BranchProfile;
 import com.oracle.truffle.api.profiles.ConditionProfile;
@@ -508,7 +507,6 @@ protected PNone doIt(Object object, Object key,
     static abstract class DictNode extends PythonBinaryBuiltinNode {
         private final IsBuiltinClassProfile exactObjInstanceProfile = IsBuiltinClassProfile.create();
         private final IsBuiltinClassProfile exactBuiltinInstanceProfile = IsBuiltinClassProfile.create();
-        @Child private Node executeNode;
 
         protected boolean isExactObjectInstance(PythonObject self) {
             return exactObjInstanceProfile.profileObject(self, PythonBuiltinClassType.PythonObject);