From 0aba4d825a5b18c5fa937c0426788f61f756e086 Mon Sep 17 00:00:00 2001
From: Zach Gleason <zgleason94@gmail.com>
Date: Fri, 1 Mar 2019 22:52:03 -0500
Subject: ops.c: do_join expects `count` of 2 or greater #6855

test_normal.vim fails if we assert >= 2, so we only check >= 1. That at
least avoids invalid pointers.

    TEST_FILE=test_normal.res make oldtest
---
 src/nvim/ops.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src')

diff --git a/src/nvim/ops.c b/src/nvim/ops.c
index 9d9ee0c9e3..99dee939fc 100644
--- a/src/nvim/ops.c
+++ b/src/nvim/ops.c
@@ -3608,6 +3608,7 @@ int do_join(size_t count,
   int remove_comments = (use_formatoptions == TRUE)
                         && has_format_option(FO_REMOVE_COMS);
   bool prev_was_comment = false;
+  assert(count >= 1);
 
   if (save_undo && u_save(curwin->w_cursor.lnum - 1,
                           curwin->w_cursor.lnum + (linenr_T)count) == FAIL) {
-- 
cgit