patch 8.2.3360: user function completion fails with dict function

Problem:    User function completion fails with dict function.
Solution:   Do not stop sequencing through the list if user functions when
            encountering an empty name. (Naohiro Ono, closes #8765,
            closes #8774)
diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
index 5d91952..d04bb4c 100644
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -650,7 +650,7 @@
 
 func Test_cmdline_complete_user_func()
   call feedkeys(":func Test_cmdline_complete_user\<Tab>\<Home>\"\<cr>", 'tx')
-  call assert_match('"func Test_cmdline_complete_user', @:)
+  call assert_match('"func Test_cmdline_complete_user_', @:)
   call feedkeys(":func s:ScriptL\<Tab>\<Home>\"\<cr>", 'tx')
   call assert_match('"func <SNR>\d\+_ScriptLocalFunction', @:)
 
@@ -662,6 +662,14 @@
   let Fx = { a ->  a }
   call feedkeys(":echo g:\<Tab>\<Home>\"\<cr>", 'tx')
   call assert_match('"echo g:[A-Z]', @:)
+
+  " existence of script-local dict function does not break user function name
+  " completion
+  function s:a_dict_func() dict
+  endfunction
+  call feedkeys(":call Test_cmdline_complete_user\<Tab>\<Home>\"\<cr>", 'tx')
+  call assert_match('"call Test_cmdline_complete_user_', @:)
+  delfunction s:a_dict_func
 endfunc
 
 func Test_cmdline_complete_user_names()