commit 9ad89c6c4f89cd710d8244d8010b8b0ae30ba79d
author Bram Moolenaar <Bram@vim.org> Thu Oct 26 22:04:04 2017 +0200
committer Bram Moolenaar <Bram@vim.org> Thu Oct 26 22:04:04 2017 +0200
tree 47d4e016c05fa553fd36b0547029372a23475006
parent ce11de87e26e1420703242f8e07b4fd69c4032ba

patch 8.0.1223: crash when using autocomplete and tab pages

Problem:    Crash when using autocomplete and tab pages.
Solution:   Check if the current tab changed. (Christian Brabandt, closes
            #2239)

src/misc1.c

diff --git a/src/misc1.c b/src/misc1.c
index f7789ff..eb893f6 100644
--- a/src/misc1.c
+++ b/src/misc1.c
@@ -2313,7 +2313,8 @@
 
     /* Copy bytes after the changed character(s). */
     p = newp + col;
-    mch_memmove(p + newlen, oldp + col + oldlen,
+    if (linelen > col + oldlen)
+	mch_memmove(p + newlen, oldp + col + oldlen,
 					    (size_t)(linelen - col - oldlen));
 
     /* Insert or overwrite the new character. */