1 files changed, 5 insertions, 0 deletions
diff --git a/src/corelib/text/qstring.h b/src/corelib/text/qstring.h
index 780b3090c1..5936f76ed4 100644
--- a/src/corelib/text/qstring.h
+++ b/src/corelib/text/qstring.h
@@ -941,6 +941,11 @@ public:
     void shrink_to_fit() { squeeze(); }
     iterator erase(const_iterator first, const_iterator last);
     inline iterator erase(const_iterator it) { return erase(it, it + 1); }
+    static constexpr qsizetype max_size() noexcept
+    {
+        // -1 to deal with the NUL terminator
+        return Data::max_size() - 1;
+    }
 
     static inline QString fromStdString(const std::string &s);
     inline std::string toStdString() const;