patch 9.1.0219: Vim9: No enum support

Problem:  No enum support
Solution: Implement enums for Vim9 script
          (Yegappan Lakshmanan)

closes: #14224

Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/vim9execute.c b/src/vim9execute.c
index 3e6aed0..053f617 100644
--- a/src/vim9execute.c
+++ b/src/vim9execute.c
@@ -3258,6 +3258,12 @@
 		++tv->vval.v_object->obj_class->class_refcount;
 		tv->vval.v_object->obj_refcount = 1;
 		object_created(tv->vval.v_object);
+
+		// When creating an enum value object, initialize the name and
+		// ordinal object variables.
+		class_T *en = tv->vval.v_object->obj_class;
+		if (IS_ENUM(en))
+		    enum_set_internal_obj_vars(en, tv->vval.v_object);
 		break;
 
 	    // execute Ex command line