From b2d881a73a369e361482719fd4f7d8f1da602ad9 Mon Sep 17 00:00:00 2001
From: Lukas Tenbrink <lukas.tenbrink@gmail.com>
Date: Thu, 2 Jan 2025 18:16:06 +0100
Subject: [PATCH] Optimize `_count` by replacing a full copy with a CoW copy
 for the full-string count case.

---
 core/string/ustring.cpp | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/core/string/ustring.cpp b/core/string/ustring.cpp
index be50b0b4e91d..48d900d19694 100644
--- a/core/string/ustring.cpp
+++ b/core/string/ustring.cpp
@@ -3707,8 +3707,7 @@ int String::_count(const String &p_string, int p_from, int p_to, bool p_case_ins
 			return 0;
 		}
 		if (p_from == 0 && p_to == len) {
-			str = String();
-			str.copy_from_unchecked(&get_data()[0], len);
+			str = *this;
 		} else {
 			str = substr(p_from, p_to - p_from);
 		}
@@ -3744,8 +3743,7 @@ int String::_count(const char *p_string, int p_from, int p_to, bool p_case_insen
 			return 0;
 		}
 		if (p_from == 0 && search_limit == source_length) {
-			str = String();
-			str.copy_from_unchecked(&get_data()[0], source_length);
+			str = *this;
 		} else {
 			str = substr(p_from, search_limit - p_from);
 		}