From 7dacab9afd21485dff1a578a58840b71f3455bca Mon Sep 17 00:00:00 2001
From: Jan Edmund Lazo <jan.lazo@mail.utoronto.ca>
Date: Tue, 24 Dec 2019 00:40:39 -0500
Subject: [PATCH] vim-patch:8.2.0033: make_extmatch() OOM #11602

Problem:    Crash when make_extmatch() runs out of memory.
Solution:   Check for NULL. (Dominique Pelle, closs vim/vim#5392)
https://github.com/vim/vim/commit/7c77b3496710f1be3232cfdc7f6812347fbd914a
---
 src/nvim/regexp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/nvim/regexp.c b/src/nvim/regexp.c
index 9bc7ef07eb..90dc8ab90f 100644
--- a/src/nvim/regexp.c
+++ b/src/nvim/regexp.c
@@ -3575,6 +3575,7 @@ theend:
  * Create a new extmatch and mark it as referenced once.
  */
 static reg_extmatch_T *make_extmatch(void)
+  FUNC_ATTR_NONNULL_RET
 {
   reg_extmatch_T *em = xcalloc(1, sizeof(reg_extmatch_T));
   em->refcnt = 1;