From 88a2f05c6de6f5a8cbac6ad03abfe523a73fdfb9 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Tue, 31 Aug 2021 22:25:37 +0300
Subject: [PATCH] Fix crash in new phone formatting.

---
 Telegram/SourceFiles/countries/countries_instance.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Telegram/SourceFiles/countries/countries_instance.cpp b/Telegram/SourceFiles/countries/countries_instance.cpp
index 36967370bd..e9be668177 100644
--- a/Telegram/SourceFiles/countries/countries_instance.cpp
+++ b/Telegram/SourceFiles/countries/countries_instance.cpp
@@ -355,6 +355,9 @@ FormatResult CountriesInstance::format(FormatArgs args) {
 			? QVector<int>()
 			: QVector<int>{ codeSize };
 		auto groupSize = 0;
+		if (bestCallingCodePtr->patterns.empty()) {
+			return FormatResult{ .groups = std::move(groups) };
+		}
 		for (const auto &c : bestCallingCodePtr->patterns.front()) {
 			if (c == ' ') {
 				groups.push_back(base::take(groupSize));