vim-patch:7.4.645

Problem:    When splitting the window in a BufAdd autocommand while still in
            the first, empty buffer the window count is wrong.
Solution:   Do not reset b_nwindows to zero and don't increment it.

https://github.com/vim/vim/commit/8da9bbfd02957b79edd595c8c7397453012510b0

1 files changed, 2 insertions, 4 deletions

diff --git a/src/nvim/ex_cmds.c b/src/nvim/ex_cmds.c
index 3f19421a75..d902234ef7 100644
--- a/src/nvim/ex_cmds.c
+++ b/src/nvim/ex_cmds.c
@@ -2112,7 +2112,6 @@ do_ecmd (
       goto theend;
     if (buf->b_ml.ml_mfp == NULL) {             /* no memfile yet */
       oldbuf = FALSE;
-      buf->b_nwindows = 0;
     } else {                                  /* existing memfile */
       oldbuf = TRUE;
       (void)buf_check_timestamp(buf, FALSE);
@@ -2138,7 +2137,7 @@ do_ecmd (
      * Make the (new) buffer the one used by the current window.
      * If the old buffer becomes unused, free it if ECMD_HIDE is FALSE.
      * If the current buffer was empty and has no file name, curbuf
-     * is returned by buflist_new().
+     * is returned by buflist_new(), nothing to do here.
      */
     if (buf != curbuf) {
       /*
@@ -2225,8 +2224,7 @@ do_ecmd (
       }
       xfree(new_name);
       au_new_curbuf = NULL;
-    } else
-      ++curbuf->b_nwindows;
+    }
 
     curwin->w_pcmark.lnum = 1;
     curwin->w_pcmark.col = 0;