From b6d0c391fc121051e559d2a962b03ea5140f7cd0 Mon Sep 17 00:00:00 2001
From: Jan Edmund Lazo <jan.lazo@mail.utoronto.ca>
Date: Sat, 11 Oct 2025 10:30:56 -0400
Subject: [PATCH] vim-patch:8.2.4878: valgrind warning for using uninitialized
 variable

Problem:    Valgrind warning for using uninitialized variable.
Solution:   Initialize the type of newtv.

https://github.com/vim/vim/commit/dd7eff0a755c40eb88b494b98ac1a24f858ba880

Co-authored-by: Bram Moolenaar <Bram@vim.org>
---
 src/nvim/eval/list.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/nvim/eval/list.c b/src/nvim/eval/list.c
index 201e5ed7d2..76ddd77cbe 100644
--- a/src/nvim/eval/list.c
+++ b/src/nvim/eval/list.c
@@ -235,7 +235,9 @@ static void filter_map_string(const char *str, filtermap_T filtermap, typval_T *
     };
 
     set_vim_var_nr(VV_KEY, idx);
-    typval_T newtv;
+    typval_T newtv = {
+      .v_type = VAR_UNKNOWN,
+    };
     bool rem;
     if (filter_map_one(&tv, expr, filtermap, &newtv, &rem) == FAIL
         || did_emsg) {