patch 8.2.2985: Vim9: a compiled function cannot be debugged

Problem:    Vim9: a compiled function cannot be debugged.
Solution:   Add initial debugging support.
diff --git a/src/testdir/test_vim9_disassemble.vim b/src/testdir/test_vim9_disassemble.vim
index 965399b..e1ed675 100644
--- a/src/testdir/test_vim9_disassemble.vim
+++ b/src/testdir/test_vim9_disassemble.vim
@@ -2153,7 +2153,7 @@
   if !has('profile')
     MissingFeature 'profile'
   endif
-  var res = execute('disass! s:Profiled')
+  var res = execute('disass profile s:Profiled')
   assert_match('<SNR>\d*_Profiled\_s*' ..
         'echo "profiled"\_s*' ..
         '\d PROFILE START line 1\_s*' ..
@@ -2168,6 +2168,20 @@
         res)
 enddef
 
+def Test_debugged()
+  var res = execute('disass debug s:Profiled')
+  assert_match('<SNR>\d*_Profiled\_s*' ..
+        'echo "profiled"\_s*' ..
+        '\d DEBUG line 1\_s*' ..
+        '\d PUSHS "profiled"\_s*' ..
+        '\d ECHO 1\_s*' ..
+        'return "done"\_s*' ..
+        '\d DEBUG line 2\_s*' ..
+        '\d PUSHS "done"\_s*' ..
+        '\d RETURN\_s*',
+        res)
+enddef
+
 def s:EchoMessages()
   echohl ErrorMsg | echom v:exception | echohl NONE
 enddef