Yegappan wrote:

> The following calls crash Vim (with ASAN enabled):
> 
>   call append(1, test_null_list())
>   call appendbufline(1, 1, test_null_list())
>   call setline(1, test_null_list())
>   call setbufline(1, 1, test_null_list())
> 
> The set_buffer_lines() function doesn't validate the 'lines' parameter
> before de-referencing it.

Good find.  It should behave like an empty list.  Can you fix that?

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