Patch 8.2.0452
Problem:    channel_parse_messages() fails when called recursively.
Solution:   Return for a recursive call. (closes #5835)
Files:      src/channel.c


*** ../vim-8.2.0451/src/channel.c       2020-03-24 20:35:14.741080390 +0100
--- src/channel.c       2020-03-26 15:56:02.939711511 +0100
***************
*** 4428,4441 ****
      int               ret = FALSE;
      int               r;
      ch_part_T part = PART_SOCK;
  #ifdef ELAPSED_FUNC
      elapsed_T start_tv;
- 
-     ELAPSED_INIT(start_tv);
  #endif
  
      ++safe_to_invoke_callback;
  
      // Only do this message when another message was given, otherwise we get
      // lots of them.
      if ((did_repeated_msg & REPEATED_MSG_LOOKING) == 0)
--- 4428,4449 ----
      int               ret = FALSE;
      int               r;
      ch_part_T part = PART_SOCK;
+     static int        recursive = FALSE;
  #ifdef ELAPSED_FUNC
      elapsed_T start_tv;
  #endif
  
+     // The code below may invoke callbacks, which might call us back.
+     // That doesn't work well, just return without doing anything.
+     if (recursive)
+       return FALSE;
+     recursive = TRUE;
      ++safe_to_invoke_callback;
  
+ #ifdef ELAPSED_FUNC
+     ELAPSED_INIT(start_tv);
+ #endif
+ 
      // Only do this message when another message was given, otherwise we get
      // lots of them.
      if ((did_repeated_msg & REPEATED_MSG_LOOKING) == 0)
***************
*** 4513,4518 ****
--- 4521,4527 ----
      }
  
      --safe_to_invoke_callback;
+     recursive = FALSE;
  
      return ret;
  }
*** ../vim-8.2.0451/src/version.c       2020-03-26 15:39:50.223238189 +0100
--- src/version.c       2020-03-26 15:56:59.759509505 +0100
***************
*** 740,741 ****
--- 740,743 ----
  {   /* Add new patch number below this line */
+ /**/
+     452,
  /**/

-- 
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