Unicode messes up jump targets

[globalchubby]

function! LightlineAleWarning()
  let counts = ale#statusline#Count(bufnr(''))
  let n_warnings = counts.style_warning + counts.warning + counts.info
  return counts.total == 0 || n_warnings == 0
        \ ? ''
        \ : printf('%d ◆', n_warnings)
endfunction

Try (snipe-f-w) on the same line as ◆, before ◆.