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-rw-r--r--src/testdir/test_listchars.vim5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/testdir/test_listchars.vim b/src/testdir/test_listchars.vim
index 8628fb20e0..57ddcda7e5 100644
--- a/src/testdir/test_listchars.vim
+++ b/src/testdir/test_listchars.vim
@@ -265,6 +265,11 @@ func Test_listchars()
call Check_listchars(expected, 5, 12)
call assert_equal(expected, split(execute("%list"), "\n"))
+ " Changing the value of 'ambiwidth' twice shouldn't cause double-free when
+ " "leadmultispace" is specified.
+ set ambiwidth=double
+ set ambiwidth&
+
" Test leadmultispace and lead and space
normal ggdG
set listchars&