commit https://github.com/vim/vim/commit/bc7ce675b2d1c9fb58c067eff3edd59abc30aba4 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Aug 1 22:49:22 2016 +0200 patch 7.4.2143 Problem: A funccal is garbage collected while it can still be used. Solution: Set copyID in all referenced functions. Do not list lambda functions with ":function".

" Tests for Visual mode.  Uses double-wide character.
if !has('multi_byte')
  finish
endif

if !has('visual')
  finish
endif

func Test_block_shift_multibyte()
  split
  call setline(1, ['xヹxxx', 'ヹxxx'])
  exe "normal 1G0l\<C-V>jl>"
  call assert_equal('x	 ヹxxx', getline(1))
  call assert_equal('	ヹxxx', getline(2))
  q!
endfunc