diff --git a/7.4.839 b/7.4.839
new file mode 100644
index 00000000..4b0e3bb5
--- /dev/null
+++ b/7.4.839
@@ -0,0 +1,57 @@
+To: vim_dev@googlegroups.com
+Subject: Patch 7.4.839
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.4.839
+Problem:    Compiler warning on 64-bit system.
+Solution:   Add cast to int. (Mike Williams)
+Files:      src/search.c
+
+
+*** ../vim-7.4.838/src/search.c	2015-08-13 23:28:38.246878308 +0200
+--- src/search.c	2015-08-26 22:58:31.183512457 +0200
+***************
+*** 1801,1807 ****
+      for (p = linep + startpos->col + 1; *p && *p != '('; ++p)
+  	;
+      delim_len = (p - linep) - startpos->col - 1;
+!     delim_copy = vim_strnsave(linep + startpos->col + 1, delim_len);
+      if (delim_copy == NULL)
+  	return FALSE;
+      for (lnum = startpos->lnum; lnum <= endpos->lnum; ++lnum)
+--- 1801,1807 ----
+      for (p = linep + startpos->col + 1; *p && *p != '('; ++p)
+  	;
+      delim_len = (p - linep) - startpos->col - 1;
+!     delim_copy = vim_strnsave(linep + startpos->col + 1, (int)delim_len);
+      if (delim_copy == NULL)
+  	return FALSE;
+      for (lnum = startpos->lnum; lnum <= endpos->lnum; ++lnum)
+*** ../vim-7.4.838/src/version.c	2015-08-25 21:27:31.312156958 +0200
+--- src/version.c	2015-08-26 22:59:14.719028665 +0200
+***************
+*** 743,744 ****
+--- 743,746 ----
+  {   /* Add new patch number below this line */
++ /**/
++     839,
+  /**/
+
+-- 
+Close your shells, or I'll kill -9 you
+Tomorrow I'll quota you
+Remember the disks'll always be full
+And then while I'm away
+I'll write ~ everyday
+And I'll send-pr all my buggings to you.
+    [ CVS log "Beatles style" for FreeBSD ports/INDEX, Satoshi Asami ]
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
+///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\  an exciting new programming language -- http://www.Zimbu.org        ///
+ \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///