diff --git a/gcc/testsuite/g++.dg/overload/conv-op4.C b/gcc/testsuite/g++.dg/overload/conv-op4.C
new file mode 100644
index 00000000000..80de19549e3
--- /dev/null
+++ b/gcc/testsuite/g++.dg/overload/conv-op4.C
@@ -0,0 +1,22 @@
+// PR c++/81952
+// { dg-do run { target c++11 } }
+
+template <class T>
+struct opt {
+    opt() { }
+    opt(opt const& ) { __builtin_abort (); }
+    opt(opt&& ) { __builtin_abort (); }
+
+    template <class U>
+    opt(U&& ) { }
+};
+
+struct foo 
+{
+    explicit operator opt<int>() { __builtin_abort (); return {}; }
+};
+
+int main()
+{
+    opt<int> o(foo{});
+}