commit https://github.com/vim/vim/commit/52c6eaffd43a8c8865f8d6ed7cde0a8b137479e2 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Mar 25 18:42:46 2016 +0100 patch 7.4.1654 Problem: Crash when using expand('%:S') in a buffer without a name. Solution: Don't set a NUL. (James McCoy, closes https://github.com/vim/vim/issues/714)

--- a/src/version.c
+++ b/src/version.c
@@ -749,6 +749,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1654,
+/**/
     1653,
 /**/
     1652,