# HG changeset patch
# User Christian Brabandt <cb@256bit.org>
# Date 1489527005 -3600
# Node ID a54985a73ab27a63ac419b29bdd4bbc523185794
# Parent  b5ac92d0f31f98e57b1a2137e1f1244b3f0118a8
patch 8.0.0458: potential crash if adding list or dict to dict fails

commit https://github.com/vim/vim/commit/42f45b850df93b806ef44f3025aecedfffb9ae01
Author: Bram Moolenaar <Bram@vim.org>
Date:   Tue Mar 14 22:17:14 2017 +0100

    patch 8.0.0458: potential crash if adding list or dict to dict fails

    Problem:    Potential crash if adding list or dict to dict fails.
    Solution:   Make sure the reference count is correct. (Nikolai Pavlov, closes
                #1555)

diff --git a/src/dict.c b/src/dict.c
--- a/src/dict.c
+++ b/src/dict.c
@@ -356,12 +356,12 @@ dict_add_list(dict_T *d, char *key, list
     item->di_tv.v_lock = 0;
     item->di_tv.v_type = VAR_LIST;
     item->di_tv.vval.v_list = list;
+    ++list->lv_refcount;
     if (dict_add(d, item) == FAIL)
     {
 	dictitem_free(item);
 	return FAIL;
     }
-    ++list->lv_refcount;
     return OK;
 }
 
@@ -380,12 +380,12 @@ dict_add_dict(dict_T *d, char *key, dict
     item->di_tv.v_lock = 0;
     item->di_tv.v_type = VAR_DICT;
     item->di_tv.vval.v_dict = dict;
+    ++dict->dv_refcount;
     if (dict_add(d, item) == FAIL)
     {
 	dictitem_free(item);
 	return FAIL;
     }
-    ++dict->dv_refcount;
     return OK;
 }
 
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    458,
+/**/
     457,
 /**/
     456,