Initialize CallTarget for TpStopIterNext.NEXT_NOT_IMPLEMENTED

Author: steve-s

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/type/TpSlots.java

@@ -1720,6 +1720,7 @@ public static void setSlots(PythonAbstractClass klass, TpSlots slots) {
     }
 
     public static void initializeBuiltinSlots(PythonLanguage language) {
+        TpSlotIterNext.initNextNotImplementedCallTarget(language);
         for (PythonBuiltinClassType klass : PythonBuiltinClassType.VALUES) {
             for (TpSlotMeta slotMeta : TpSlotMeta.VALUES) {
                 TpSlot slotValue = slotMeta.getValue(klass.getDeclaredSlots());

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/type/slots/TpSlotIterNext.java

@@ -91,6 +91,10 @@ private TpSlotIterNext() {
     /** Equivalent of {@code _PyObject_NextNotImplemented} */
     public static final TpSlot NEXT_NOT_IMPLEMENTED = TpSlotIterNextSlotsGen.SLOTS.tp_iternext();
 
+    public static void initNextNotImplementedCallTarget(PythonLanguage language) {
+        ((TpSlotIterNext.TpSlotIterNextBuiltin<?>) NEXT_NOT_IMPLEMENTED).initialize(language);
+    }
+
     public abstract static class TpSlotIterNextBuiltin<T extends PythonUnaryBuiltinNode> extends TpSlotBuiltin<T> {
         final int callTargetIndex = TpSlotBuiltinCallTargetRegistry.getNextCallTargetIndex();