diff --git a/src/corelib/global/qcontainerinfo.h b/src/corelib/global/qcontainerinfo.h
index e27877073f..14468510a5 100644
--- a/src/corelib/global/qcontainerinfo.h
+++ b/src/corelib/global/qcontainerinfo.h
@@ -50,6 +50,11 @@ inline constexpr bool has_size_v = false;
 template<typename C>
 inline constexpr bool has_size_v<C, std::void_t<decltype(C().size())>> = true;
 
+template<typename C, typename = void>
+inline constexpr bool has_reserve_v = false;
+template<typename C>
+inline constexpr bool has_reserve_v<C, std::void_t<decltype(C().reserve(0))>> = true;
+
 template<typename C, typename = void>
 inline constexpr bool has_clear_v = false;
 template<typename C>