From 4a5d98c98762ea7aab98de184d885cb0e08a5c53 Mon Sep 17 00:00:00 2001
From: Pawel Lampe <pawel.lampe@gmail.com>
Date: Sun, 21 Nov 2021 20:58:52 +0100
Subject: [PATCH] Fix godot crash on null expression, fixes #53862

---
 modules/gdscript/gdscript_editor.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/gdscript/gdscript_editor.cpp b/modules/gdscript/gdscript_editor.cpp
index 71d2699c2e9..2f33740079e 100644
--- a/modules/gdscript/gdscript_editor.cpp
+++ b/modules/gdscript/gdscript_editor.cpp
@@ -1182,6 +1182,10 @@ static bool _guess_method_return_type_from_base(GDScriptParser::CompletionContex
 static bool _guess_expression_type(GDScriptParser::CompletionContext &p_context, const GDScriptParser::ExpressionNode *p_expression, GDScriptCompletionIdentifier &r_type) {
 	bool found = false;
 
+	if (p_expression == nullptr) {
+		return false;
+	}
+
 	if (p_expression->is_constant) {
 		// Already has a value, so just use that.
 		r_type = _type_from_variant(p_expression->reduced_value);