From ee8606d31f01eed4a3e8efb6d8279fb5b4d2845e Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Tue, 26 Jul 2022 07:46:19 +0800
Subject: vim-patch:8.1.1424: crash when popup menu is deleted while waiting
 for char

Problem:    Crash when popup menu is deleted while waiting for char.
Solution:   Bail out when pum_array was cleared.
https://github.com/vim/vim/commit/5c3fb04623d0260762f1c3c1ba250a407098ff2a
---
 src/nvim/popupmnu.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/nvim/popupmnu.c b/src/nvim/popupmnu.c
index 5b1b80935e..fce67437c7 100644
--- a/src/nvim/popupmnu.c
+++ b/src/nvim/popupmnu.c
@@ -1054,7 +1054,10 @@ void pum_show_popupmenu(vimmenu_T *menu)
     ui_flush();
 
     int c = vgetc();
-    if (c == ESC || c == Ctrl_C) {
+
+    // Bail out when typing Esc, CTRL-C or some callback closed the popup
+    // menu.
+    if (c == ESC || c == Ctrl_C || pum_array == NULL) {
       break;
     } else if (c == CAR || c == NL) {
       // enter: select current item, if any, and close
-- 
cgit