patch 7.4.698
Problem:    Various problems with locked and fixed lists and dictionaries.
Solution:   Disallow changing locked items, fix a crash, add tests. (Olaf
            Dabrunz)
diff --git a/src/testdir/test55.in b/src/testdir/test55.in
index c4e82d4..7b6f684 100644
--- a/src/testdir/test55.in
+++ b/src/testdir/test55.in
Binary files differ