1 files changed, 15 insertions, 0 deletions
diff --git a/src/corelib/text/qchar.h b/src/corelib/text/qchar.h
index fb358ba8be..8a616b4c73 100644
--- a/src/corelib/text/qchar.h
+++ b/src/corelib/text/qchar.h
@@ -42,6 +42,8 @@
 
 #include <QtCore/qglobal.h>
 
+#include <functional> // for std::hash
+
 QT_BEGIN_NAMESPACE
 
 
@@ -664,4 +666,17 @@ Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QChar &);
 
 QT_END_NAMESPACE
 
+namespace std {
+template <>
+struct hash<QT_PREPEND_NAMESPACE(QChar)>
+{
+    template <typename = void> // for transparent constexpr tracking
+    constexpr size_t operator()(QT_PREPEND_NAMESPACE(QChar) c) const
+        noexcept(noexcept(std::hash<char16_t>{}(u' ')))
+    {
+        return std::hash<char16_t>{}(c.unicode());
+    }
+};
+} // namespace std
+
 #endif // QCHAR_H