From d0641a7528eb226f72c2ce7a2ee37322874966cb Mon Sep 17 00:00:00 2001
From: Xavier Sellier <xsellier@gmail.com>
Date: Wed, 14 Feb 2018 23:52:35 -0500
Subject: [PATCH] Clear function made godot crashing because line_number is
 below 0

- Adding a MAX(0, index) in order to have at least 0 inserted in the history
---
 scene/gui/text_edit.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scene/gui/text_edit.cpp b/scene/gui/text_edit.cpp
index a1254464fdf..44d1fe9655a 100644
--- a/scene/gui/text_edit.cpp
+++ b/scene/gui/text_edit.cpp
@@ -3212,7 +3212,7 @@ void TextEdit::_clear() {
 		op.type = TextOperation::TYPE_CLEAR;
 		op.from_line = 0;
 		op.from_column = 0;
-		op.to_line = get_line_count() - 1;
+		op.to_line = MAX(0, get_line_count() - 1);
 		op.to_column = get_line(op.to_line).length();
 		op.text = undo_text;
 		op.version = ++version;