# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1604430903 -3600
# Node ID 3c72820f88b21f232635515a601ae01f79d41b5d
# Parent  6ba0337eba3a30de92a3fec0a3f59804c691e3c2
patch 8.2.1947: crash when using "zj" without folds

Commit: https://github.com/vim/vim/commit/c136a3528b7ebb825c3863d701af44f023381181
Author: Bram Moolenaar <Bram@vim.org>
Date:   Tue Nov 3 20:05:40 2020 +0100

    patch 8.2.1947: crash when using "zj" without folds

    Problem:    Crash when using "zj" without folds. (Sean Dewar)
    Solution:   Check for at least one fold. (closes https://github.com/vim/vim/issues/7245)

diff --git a/src/fold.c b/src/fold.c
--- a/src/fold.c
+++ b/src/fold.c
@@ -902,6 +902,8 @@ foldMoveTo(
 	// that moves the cursor is used.
 	lnum_off = 0;
 	gap = &curwin->w_folds;
+	if (gap->ga_len == 0)
+	    break;
 	use_level = FALSE;
 	maybe_small = FALSE;
 	lnum_found = curwin->w_cursor.lnum;
diff --git a/src/testdir/test_fold.vim b/src/testdir/test_fold.vim
--- a/src/testdir/test_fold.vim
+++ b/src/testdir/test_fold.vim
@@ -835,4 +835,13 @@ func Test_undo_fold_deletion()
   bwipe!
 endfunc
 
+" this was crashing
+func Test_move_no_folds()
+  new
+  fold
+  setlocal fdm=expr
+  normal zj
+  bwipe!
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1947,
+/**/
     1946,
 /**/
     1945,