diff --git a/libstdc++-v3/testsuite/20_util/is_constructible/68430.cc b/libstdc++-v3/testsuite/20_util/is_constructible/68430.cc
new file mode 100644
index 0000000..3f880b3
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/is_constructible/68430.cc
@@ -0,0 +1,6 @@
+// { dg-do compile { target c++11 } }
+
+#include <type_traits>
+
+template<class T> struct Foo { Foo(T = nullptr) {} };
+static_assert(!std::is_constructible<Foo<int>>::value, "");