From 466d226a4acc66fc1c1c4faf8d9da68e6c84fbda Mon Sep 17 00:00:00 2001
From: bruvzg <7645683+bruvzg@users.noreply.github.com>
Date: Tue, 21 Feb 2023 09:43:54 +0200
Subject: [PATCH] [TextServer] Ensure ICU data is initialised only one and
 cleaned only at exit.

(cherry picked from commit 7f24433e15081044aa8bcc3a646ded5129048bf5)
---
 modules/text_server_adv/text_server_adv.cpp | 5 ++++-
 modules/text_server_adv/text_server_adv.h   | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/modules/text_server_adv/text_server_adv.cpp b/modules/text_server_adv/text_server_adv.cpp
index 22652daa24a..007f439a895 100644
--- a/modules/text_server_adv/text_server_adv.cpp
+++ b/modules/text_server_adv/text_server_adv.cpp
@@ -334,6 +334,8 @@ _FORCE_INLINE_ bool is_connected_to_prev(char32_t p_chr, char32_t p_pchr) {
 
 /*************************************************************************/
 
+bool TextServerAdvanced::icu_data_loaded = false;
+
 bool TextServerAdvanced::_has_feature(Feature p_feature) const {
 	switch (p_feature) {
 		case FEATURE_SIMPLE_LAYOUT:
@@ -6599,5 +6601,6 @@ TextServerAdvanced::~TextServerAdvanced() {
 		uset_close(allowed);
 		allowed = nullptr;
 	}
-	u_cleanup();
+
+	std::atexit(u_cleanup);
 }
diff --git a/modules/text_server_adv/text_server_adv.h b/modules/text_server_adv/text_server_adv.h
index 02244a294ee..f092fa8ccab 100644
--- a/modules/text_server_adv/text_server_adv.h
+++ b/modules/text_server_adv/text_server_adv.h
@@ -158,7 +158,7 @@ class TextServerAdvanced : public TextServerExtension {
 
 	// ICU support data.
 
-	bool icu_data_loaded = false;
+	static bool icu_data_loaded;
 	mutable USet *allowed = nullptr;
 	mutable USpoofChecker *sc_spoof = nullptr;
 	mutable USpoofChecker *sc_conf = nullptr;