vim-patch:7.4.836 #3244

Problem:    Accessing unitinialized memory.
Solution:   Add missing calls to init_tv(). (Dominique Pelle)

0a38dd29d6

src/nvim/eval.c

@@ -4333,6 +4333,8 @@ eval_index (
     return FAIL;
   }
 
+  init_tv(&var1);
+  init_tv(&var2);
   if (**arg == '.') {
     /*
      * dict.name