From eab1e228c8a2e6e49bb02bdde2d4511ca72e5e2e Mon Sep 17 00:00:00 2001
From: Haoyu Qiu <timothyqiu32@gmail.com>
Date: Wed, 29 Sep 2021 13:52:40 +0800
Subject: [PATCH] Fix LineEdit undo crash

Make sure all related member variables are initialized before creating
the first undo state.
---
 scene/gui/line_edit.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/scene/gui/line_edit.cpp b/scene/gui/line_edit.cpp
index 72f88b89595..71dfda52c50 100644
--- a/scene/gui/line_edit.cpp
+++ b/scene/gui/line_edit.cpp
@@ -1919,8 +1919,6 @@ void LineEdit::_bind_methods() {
 }
 
 LineEdit::LineEdit() {
-	undo_stack_pos = nullptr;
-	_create_undo_state();
 	align = ALIGN_LEFT;
 	cached_width = 0;
 	cached_placeholder_width = 0;
@@ -1938,6 +1936,9 @@ LineEdit::LineEdit() {
 	shortcut_keys_enabled = true;
 	selecting_enabled = true;
 
+	undo_stack_pos = nullptr;
+	_create_undo_state();
+
 	deselect();
 	set_focus_mode(FOCUS_ALL);
 	set_default_cursor_shape(CURSOR_IBEAM);