Test for an empty viminfo file

autoload/startify.vim

@@ -217,6 +217,7 @@ function! s:show_files(cnt) abort
   let num     = s:numfiles
   let entries = {}
 
+  if !empty(v:oldfiles)
     for fname in v:oldfiles
       let fullpath = resolve(fnamemodify(fname, ':p'))
 
@@ -241,6 +242,7 @@ function! s:show_files(cnt) abort
         break
       endif
     endfor
+  endif
 
   return cnt
 endfunction