patch 8.2.0371: crash with combination of terminal popup and autocmd Commit: https://github.com/vim/vim/commit/cee52204ca030ce7814844e4dab8b4ed897ba3cc Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 11 14:19:58 2020 +0100 patch 8.2.0371: crash with combination of terminal popup and autocmd Problem: Crash with combination of terminal popup and autocmd. Solution: Disallow closing a popup that is the current window. Add a check that the current buffer is valid. (closes #5754)

--- a/src/terminal.c
+++ b/src/terminal.c
@@ -382,6 +382,7 @@ term_close_buffer(buf_T *buf, buf_T *old
 	curwin->w_buffer = curbuf;
 	++curbuf->b_nwindows;
     }
+    CHECK_CURBUF;
 
     // Wiping out the buffer will also close the window and call
     // free_terminal().