From 5424b30d228816de4a40c610915789db254a0e34 Mon Sep 17 00:00:00 2001
From: Christian Duerr <contact@christianduerr.com>
Date: Tue, 14 Jul 2020 00:30:17 +0000
Subject: Fix crash on cursor resize

Fixes #3960.
---
 alacritty_terminal/src/grid/resize.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'alacritty_terminal/src')

diff --git a/alacritty_terminal/src/grid/resize.rs b/alacritty_terminal/src/grid/resize.rs
index 079fcf19..725b7079 100644
--- a/alacritty_terminal/src/grid/resize.rs
+++ b/alacritty_terminal/src/grid/resize.rs
@@ -273,7 +273,7 @@ impl<T: GridCell + Default + PartialEq + Copy> Grid<T> {
 
                 // Remove wide char spacer before shrinking.
                 let len = wrapped.len();
-                if wrapped[len - 1].flags().contains(Flags::LEADING_WIDE_CHAR_SPACER) {
+                if len > 0 && wrapped[len - 1].flags().contains(Flags::LEADING_WIDE_CHAR_SPACER) {
                     if len == 1 {
                         row[cols - 1].flags_mut().insert(Flags::WRAPLINE);
                         new_raw.push(row);
-- 
cgit