patch 8.2.4582: useless code handling a type declaration

Problem:    Useless code handling a type declaration.
Solution:   Remove the code and give an error.

src/testdir/test_vim9_script.vim

@@ -3942,10 +3942,6 @@ def Test_profile_with_lambda()
       enddef
 
       def Profile()
-        profile start Xprofile.log
-        profile func ProfiledWithLambda
-        # mark ProfiledNested for profiling to avoid E1271
-        profile func ProfiledNested
         ProfiledWithLambda()
         ProfiledNested()
 
@@ -3957,8 +3953,20 @@ def Test_profile_with_lambda()
         profdel func *
         profile pause
       enddef
-      Profile()
-      writefile(['done'], 'Xdidprofile')
+
+      var result = 'done'
+      try
+        # mark functions for profiling now to avoid E1271
+        profile start Xprofile.log
+        profile func ProfiledWithLambda
+        profile func ProfiledNested
+
+        Profile()
+      catch
+        result = 'failed: ' .. v:exception
+      finally
+        writefile([result], 'Xdidprofile')
+      endtry
   END
   writefile(lines, 'Xprofile.vim')
   call system(g:GetVimCommand()
@@ -3974,6 +3982,16 @@ def Test_profile_with_lambda()
   delete('Xprofile.vim')
 enddef
 
+def Test_misplaced_type()
+  writefile(['let g:somevar = "asdf"'], 'XTest_misplaced_type')
+  var buf = g:RunVimInTerminal('-S XTest_misplaced_type', {'rows': 6})
+  term_sendkeys(buf, ":vim9cmd echo islocked('g:somevar: string')\<CR>")
+  g:VerifyScreenDump(buf, 'Test_misplaced_type', {})
+
+  g:StopVimInTerminal(buf)
+  delete('XTest_misplaced_type')
+enddef
+
 " Keep this last, it messes up highlighting.
 def Test_substitute_cmd()
   new