patch 9.0.1201: assignment with operator doesn't work in object method

Problem:    Assignment with operator doesn't work in object method.
Solution:   Handle loading the object member. (closes #11820)  Add a few more
            tests.
diff --git a/src/version.c b/src/version.c
index 9427081..e4674e4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1201,
+/**/
     1200,
 /**/
     1199,