commit 820d55a50bbc8c0ad0505b7e4302a734896b6bab
author Bram Moolenaar <Bram@vim.org> Sat Oct 10 15:05:23 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Oct 10 15:05:23 2020 +0200
tree 4345521c6ff56f9aa999e9bfb902a6bb73225266
parent 85d5e2b723e6fc233e53252dd5c523944146fbc2

patch 8.2.1820: Vim9: crash when error happens in timer callback

Problem:    Vim9: crash when error happens in timer callback.
Solution:   Check that current_exception is not NULL. (closes #7100)

src/ex_docmd.c

diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index 05378fd..310934e 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -1234,6 +1234,10 @@
 
     if (trylevel == 0)
     {
+	// Just in case did_throw got set but current_exception wasn't.
+	if (current_exception == NULL)
+	    did_throw = FALSE;
+
 	/*
 	 * When an exception is being thrown out of the outermost try
 	 * conditional, discard the uncaught exception, disable the conversion