From 77c251bd1d380fea7601ce18dd053f07b930ea14 Mon Sep 17 00:00:00 2001
From: Bart Louwers <bart@emeel.net>
Date: Tue, 26 Aug 2025 14:50:43 +0200
Subject: [PATCH] Fix UB in TaggedString constructor (#3748)

---
 src/mbgl/text/tagged_string.hpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/mbgl/text/tagged_string.hpp b/src/mbgl/text/tagged_string.hpp
index 1c2b7d84a..215f424bc 100644
--- a/src/mbgl/text/tagged_string.hpp
+++ b/src/mbgl/text/tagged_string.hpp
@@ -72,8 +72,9 @@ struct SectionOptions {
 struct TaggedString {
     TaggedString() = default;
 
-    TaggedString(std::u16string text_, SectionOptions options)
-        : styledText(std::move(text_), std::vector<uint8_t>(text_.size(), 0)) {
+    TaggedString(std::u16string text_, SectionOptions options) {
+        auto size = text_.size();
+        styledText = {std::move(text_), std::vector<uint8_t>(size, 0)};
         sections.push_back(std::move(options));
     }