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-rw-r--r--src/corelib/tools/qflatmap_p.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/corelib/tools/qflatmap_p.h b/src/corelib/tools/qflatmap_p.h
index 512dfa4ae7..77864babc3 100644
--- a/src/corelib/tools/qflatmap_p.h
+++ b/src/corelib/tools/qflatmap_p.h
@@ -417,7 +417,7 @@ private:
struct is_marked_transparent_type : std::false_type { };
template <class X>
- struct is_marked_transparent_type<X, typename X::is_transparent> : std::true_type { };
+ struct is_marked_transparent_type<X, std::void_t<typename X::is_transparent>> : std::true_type { };
template <class X>
using is_marked_transparent = typename std::enable_if<